function calc_sum18forpo(formName, itr,total1,total7,ed,ed1,frt,frt1,ot,ot1,cst,cst1,ed11,u1,u2,u3,u4,u5,u6,u7,u8)  
{

for (var k=0;k<=itr;k++)
{
	
var input11 = document.getElementById('item_Qty'+''+k);

if(input11!=null){
var basic = 1*eval('document.'+formName+'.'+'item_Qty'+''+k+'.value');
var qt= 1*eval('document.'+formName+'.'+'item_Rate'+''+k+'.value');
var item_frt_n= 1*eval('document.'+formName+'.'+'item_frt_n'+''+k+'.value');
var pro=qt*basic;
var profrt=basic*item_frt_n;

eval('document.'+formName+'.'+'item_Total2'+''+k+'.value='+pro);
eval('document.'+formName+'.'+'item_frt_total'+''+k+'.value='+profrt);


  
} // if ends 
} // for k ends
var s=document.forms[0].rowhid.value;	
var sum1=0;
var sumforfrt=0;
for(var i=0;i<s;i++)
  {
    var subtotal= 1*eval('document.'+formName+'.'+'item_Total2'+''+i+'.value');
	var subtotalforfrt= 1*eval('document.'+formName+'.'+'item_frt_total'+''+i+'.value');
    sum1=sum1+subtotal;
	//alert(sum1);
	sumforfrt=sumforfrt+subtotalforfrt;
  }

// alert(sum1);
// for PVC  

var sum1PVC=0; 
var input = document.getElementById('item_QtyPVC'+''+itr);

if(input!=null){

var basicPVC = 1*eval('document.'+formName+'.'+'item_QtyPVC'+''+itr+'.value');
var qtPVC= 1*eval('document.'+formName+'.'+'item_RatePVC'+''+itr+'.value');
var proPVC=qtPVC*basicPVC;

eval('document.'+formName+'.'+'item_Total2PVC'+''+itr+'.value='+proPVC);
var sPVC=document.forms[0].rowhidPVC.value; 

for(var i=0;i<sPVC;i++)
  {
	var subtotalPVC= 1*eval('document.'+formName+'.'+'item_Total2PVC'+''+i+'.value');
    sum1PVC=sum1PVC+subtotalPVC;

  } //for ends
  
  
}//if ends
   
// for PVC ends here  
  

  
//alert(sum1); 
var sub_sub_total=sum1+ sum1PVC;   // + sum1PVC
eval('document.'+formName+'.'+'item_Total1'+''+0+'.value='+sub_sub_total);

  
  
var a = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var b = 1*eval('document.'+formName+'.'+total7+''+0+'.value');	
var c= 1*eval('document.'+formName+'.'+ed+''+0+'.value');

var d = 1*eval('document.'+formName+'.'+ed1+''+0+'.value');
var d1 = 1*eval('document.'+formName+'.'+ed11+''+0+'.value');

var e = 1*eval('document.'+formName+'.'+frt+''+0+'.value');
var f = 1*eval('document.'+formName+'.'+frt1+''+0+'.value');
var g = 1*eval('document.'+formName+'.'+ot+''+0+'.value');
var h = 1*eval('document.'+formName+'.'+ot1+''+0+'.value');
var i = 1*eval('document.'+formName+'.'+cst+''+0+'.value');
var j = 1*eval('document.'+formName+'.'+cst1+''+0+'.value');

var h1 = 1*eval('document.'+formName+'.'+u1+''+0+'.value');
var h2 = 1*eval('document.'+formName+'.'+u2+''+0+'.value');
var h3 = 1*eval('document.'+formName+'.'+u3+''+0+'.value');
var h4 = 1*eval('document.'+formName+'.'+u4+''+0+'.value');
var h5 = 1*eval('document.'+formName+'.'+u5+''+0+'.value');
var h6 = 1*eval('document.'+formName+'.'+u6+''+0+'.value');
var h7 = 1*eval('document.'+formName+'.'+u7+''+0+'.value');
var h8 = 1*eval('document.'+formName+'.'+u8+''+0+'.value');



//alert(u1);
//alert(c);
//alert(e);
//alert(g);
//alert(d);

var x= ((c/100)*a);
var x1=a-x;
eval('document.'+formName+'.'+ed1+''+0+'.value='+x);
eval('document.'+formName+'.'+ed11+''+0+'.value='+x1);

var p1=(h1/100)*(((a)-((c/100)*a)));

eval('document.'+formName+'.'+u2+''+0+'.value='+p1);

var p2=((h3/100)*((h1/100)*(((a)-((c/100)*a)))));

eval('document.'+formName+'.'+u4+''+0+'.value='+p2);

var p3=((h5/100)*((h1/100)*(((a)-((c/100)*a)))));

eval('document.'+formName+'.'+u6+''+0+'.value='+p3);


var p4=-h7;

eval('document.'+formName+'.'+u8+''+0+'.value='+p4);


var p5=( (e/100)*     ( ((a)-((c/100)*a))+((h1/100)*(((a)-((c/100)*a)))) + ((h3/100)*((h1/100)*(((a)-((c/100)*a)))))+ ((h5/100)*((h1/100)*(((a)-((c/100)*a)))))-(h7)                           )                 );

eval('document.'+formName+'.'+frt1+''+0+'.value='+p5);




var z=g	;
eval('document.'+formName+'.'+ot1+''+0+'.value='+z);

var m=i;
eval('document.'+formName+'.'+cst1+''+0+'.value='+m);


var total=((a)-((c/100)*a))+
           ((h1/100)*(((a)-((c/100)*a))))+
		   ((h3/100)*((h1/100)*(((a)-((c/100)*a)))))+
		   ((h5/100)*((h1/100)*(((a)-((c/100)*a)))))-
		   
		   ( h7                           )+
		   
		   ( (e/100)*     ( ((a)-((c/100)*a))+((h1/100)*(((a)-((c/100)*a)))) + ((h3/100)*((h1/100)*(((a)-((c/100)*a)))))+ ((h5/100)*((h1/100)*(((a)-((c/100)*a)))))-(h7)                           )                 )+
		    g+
			i ;   // a will b changable
eval('document.'+formName+'.'+total7+''+0+'.value='+total);  
  
  


}



function calc_sum180forpo(formName, itr,total1,total7,ed,ed1,frt,frt1,ot,ot1,cst,cst1,ed11,u1,u2,u3,u4,u5,u6,u7,u8)  
{

for (var k=0;k<=itr;k++)
{
	
var input11 = document.getElementById('item_Qty'+''+k);

if(input11!=null){
var basic = 1*eval('document.'+formName+'.'+'item_Qty'+''+k+'.value');
var qt= 1*eval('document.'+formName+'.'+'item_Rate'+''+k+'.value');
var item_frt_n= 1*eval('document.'+formName+'.'+'item_frt_n'+''+k+'.value');
var pro=qt*basic;
var profrt=basic*item_frt_n;

eval('document.'+formName+'.'+'item_Total2'+''+k+'.value='+pro);
eval('document.'+formName+'.'+'item_frt_total'+''+k+'.value='+profrt);


  
} // if ends 
} // for k ends
var s=document.forms[0].rowhid.value;	
var sum1=0;
var sumforfrt=0;
for(var i=0;i<s;i++)
  {
    var subtotal= 1*eval('document.'+formName+'.'+'item_Total2'+''+i+'.value');
	var subtotalforfrt= 1*eval('document.'+formName+'.'+'item_frt_total'+''+i+'.value');
    sum1=sum1+subtotal;
	//alert(sum1);
	sumforfrt=sumforfrt+subtotalforfrt;
  }

// alert(sum1);
// for PVC  

var sum1PVC=0; 
var input = document.getElementById('item_QtyPVC'+''+itr);

if(input!=null){

var basicPVC = 1*eval('document.'+formName+'.'+'item_QtyPVC'+''+itr+'.value');
var qtPVC= 1*eval('document.'+formName+'.'+'item_RatePVC'+''+itr+'.value');
var proPVC=qtPVC*basicPVC;

eval('document.'+formName+'.'+'item_Total2PVC'+''+itr+'.value='+proPVC);
var sPVC=document.forms[0].rowhidPVC.value; 

for(var i=0;i<sPVC;i++)
  {
	var subtotalPVC= 1*eval('document.'+formName+'.'+'item_Total2PVC'+''+i+'.value');
    sum1PVC=sum1PVC+subtotalPVC;

  } //for ends
  
  
}//if ends
   
// for PVC ends here  
  

  
//alert(sum1); 
var sub_sub_total=sum1+ sum1PVC;   // + sum1PVC
//var sub_sub_total=Math.round(sub_sub_total);
eval('document.'+formName+'.'+'item_Total1'+''+0+'.value='+sub_sub_total);
eval('document.'+formName+'.'+'item_OtherCharges'+''+0+'.value='+sumforfrt);
  
  
var a = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var b = 1*eval('document.'+formName+'.'+total7+''+0+'.value');	
var c= 1*eval('document.'+formName+'.'+ed+''+0+'.value');

var d = 1*eval('document.'+formName+'.'+ed1+''+0+'.value');
var d1 = 1*eval('document.'+formName+'.'+ed11+''+0+'.value');

var e = 1*eval('document.'+formName+'.'+frt+''+0+'.value');
var f = 1*eval('document.'+formName+'.'+frt1+''+0+'.value');
var g = 1*eval('document.'+formName+'.'+ot+''+0+'.value');
var h = 1*eval('document.'+formName+'.'+ot1+''+0+'.value');
var i = 1*eval('document.'+formName+'.'+cst+''+0+'.value');
var j = 1*eval('document.'+formName+'.'+cst1+''+0+'.value');

var h1 = 1*eval('document.'+formName+'.'+u1+''+0+'.value');
var h2 = 1*eval('document.'+formName+'.'+u2+''+0+'.value');
var h3 = 1*eval('document.'+formName+'.'+u3+''+0+'.value');
var h4 = 1*eval('document.'+formName+'.'+u4+''+0+'.value');
var h5 = 1*eval('document.'+formName+'.'+u5+''+0+'.value');
var h6 = 1*eval('document.'+formName+'.'+u6+''+0+'.value');
var h7 = 1*eval('document.'+formName+'.'+u7+''+0+'.value');
var h8 = 1*eval('document.'+formName+'.'+u8+''+0+'.value');



//alert(u1);
//alert(c);
//alert(e);
//alert(g);
//alert(d);
var a = Math.round(a);
var x= ((c/100)*a);//Discount Calculation is here..
//var x = parseInt(x);
var x1=Math.round(a-x);//Assessable Value Calculation is here.
eval('document.'+formName+'.'+ed1+''+0+'.value='+x);
eval('document.'+formName+'.'+ed11+''+0+'.value='+x1);

var p1=Math.round((h1/100)*(((a)-(x))));//Excise Duty of 12% Calculation is here..

eval('document.'+formName+'.'+u2+''+0+'.value='+p1);

var p2=Math.round((h3/100)*((h1/100)*(((a)-(x)))));//Cess of Excise Duty Calculation is here.

eval('document.'+formName+'.'+u4+''+0+'.value='+p2);

var p3=Math.round((h5/100)*((h1/100)*(((a)-(x))))); //Higher Cess of Excise Calculation is here.

eval('document.'+formName+'.'+u6+''+0+'.value='+p3);


var p4=-h7; //Rebate Calculation is here..

eval('document.'+formName+'.'+u8+''+0+'.value='+p4);

//var p5 = Math.round(((x1 + p1+ p2 + p3) - (h7)) * (e/100));
var p5=Math.round(((e/100)*(((a)-(x))+((h1/100)*(((a)-(x)))) + ((h3/100)*((h1/100)*(((a)-(x)))))+ ((h5/100)*((h1/100)*(((a)-(x)))))-(h7))));//Sales Tax 6.05% Calculation is here...

eval('document.'+formName+'.'+frt1+''+0+'.value='+p5);




var z=g	;
eval('document.'+formName+'.'+ot1+''+0+'.value='+z);

var m=i;
eval('document.'+formName+'.'+cst1+''+0+'.value='+m);
var total = (Math.round((a)-(x))+
           (Math.round((h1/100)*(((a)-(x)))))+
		   (Math.round((h3/100)*((h1/100)*(((a)-((x)))))))+
		   Math.round(((h5/100)*((h1/100)*(((a)-(x))))))-
		   
		   (h7)+
		   
		   (Math.round((e/100)*(((a)-((x))+((h1/100)*(((a)-(x)))) + ((h3/100)*((h1/100)*(((a)-(x)))))+ ((h5/100)*((h1/100)*(((a)-(x)))))-(h7)))))+
		    g+
			i ); 
eval('document.'+formName+'.'+total7+''+0+'.value='+total);  
  
  


}




function calc_sum7forpo(formName, itr,total1,total7,ed,ed1,frt,frt1,ot,ot1,gst,gst1)  
{



var basic = 1*eval('document.'+formName+'.'+'item_Qty'+''+itr+'.value');
var qt= 1*eval('document.'+formName+'.'+'item_Rate'+''+itr+'.value');

var pro=qt*basic;

eval('document.'+formName+'.'+'item_Total2'+''+itr+'.value='+pro);

var s=document.forms[0].rowhid.value;	

	var sum1=0;
  
  for(var i=0;i<s;i++)
  {
	  //alert(eval('document.'+formName+'.'+'item_Total2'+''+i+'.value'));
	var subtotal= 1*eval('document.'+formName+'.'+'item_Total2'+''+i+'.value');
    sum1=sum1+subtotal;
  }
  eval('document.'+formName+'.'+'item_Total1'+''+0+'.value='+sum1);
  
  
var a = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var b = 1*eval('document.'+formName+'.'+total7+''+0+'.value');	


//var e = 1*eval('document.'+formName+'.'+frt+''+0+'.value');
//var f = 1*eval('document.'+formName+'.'+frt1+''+0+'.value');
//var g = 1*eval('document.'+formName+'.'+ot+''+0+'.value');
//var h = 1*eval('document.'+formName+'.'+ot1+''+0+'.value');
var i = 1*eval('document.'+formName+'.'+gst+''+0+'.value');
var j = 1*eval('document.'+formName+'.'+gst1+''+0+'.value');

//alert(a);
//alert(c);
//alert(e);
//alert(g);
//alert(d);




//var y=(e/100)*((c/100)*a);

//eval('document.'+formName+'.'+frt1+''+0+'.value='+y);

//var z=(g/100)*((c/100)*a);
//eval('document.'+formName+'.'+ot1+''+0+'.value='+z);

//var m=(i/100)*(a+((c/100)*a)+((e/100)*((c/100)*a))+((g/100)*((c/100)*a)));
//eval('document.'+formName+'.'+cst1+''+0+'.value='+m);


//var total=a+y+z+m;   // a will b changable
var gstAmount = sum1*(i/100);
eval('document.'+formName+'.'+gst1+''+0+'.value='+gstAmount);

var total=sum1 +  gstAmount;
eval('document.'+formName+'.'+total7+''+0+'.value='+total);  
  
  
  

}






function calc_sum17forpo(formName, itr,total1,total7,ed,ed1,frt,frt1,ot,ot1,cst,cst1,ed11)  
{


for (var k=0;k<=itr;k++)
{
	
var input11 = document.getElementById('item_Qty'+''+k);

if(input11!=null){
var basic = 1*eval('document.'+formName+'.'+'item_Qty'+''+k+'.value');
var qt= 1*eval('document.'+formName+'.'+'item_Rate'+''+k+'.value');
var item_frt_n= 1*eval('document.'+formName+'.'+'item_frt_n'+''+k+'.value');
var pro=qt*basic;
var profrt=basic*item_frt_n;

eval('document.'+formName+'.'+'item_Total2'+''+k+'.value='+pro);
eval('document.'+formName+'.'+'item_frt_total'+''+k+'.value='+profrt);


  
} // if ends 
} // for k ends
var s=document.forms[0].rowhid.value;	
var sum1=0;
var sumforfrt=0;
for(var i=0;i<s;i++)
  {
    var subtotal= 1*eval('document.'+formName+'.'+'item_Total2'+''+i+'.value');
	var subtotalforfrt= 1*eval('document.'+formName+'.'+'item_frt_total'+''+i+'.value');
    sum1=sum1+subtotal;
	//alert(sum1);
	sumforfrt=sumforfrt+subtotalforfrt;
  }

// alert(sum1);
// for PVC  

var sum1PVC=0; 
var input = document.getElementById('item_QtyPVC'+''+itr);

if(input!=null){

var basicPVC = 1*eval('document.'+formName+'.'+'item_QtyPVC'+''+itr+'.value');
var qtPVC= 1*eval('document.'+formName+'.'+'item_RatePVC'+''+itr+'.value');
var proPVC=qtPVC*basicPVC;

eval('document.'+formName+'.'+'item_Total2PVC'+''+itr+'.value='+proPVC);
var sPVC=document.forms[0].rowhidPVC.value; 

for(var i=0;i<sPVC;i++)
  {
	var subtotalPVC= 1*eval('document.'+formName+'.'+'item_Total2PVC'+''+i+'.value');
    sum1PVC=sum1PVC+subtotalPVC;

  } //for ends
  
  
}//if ends
   
// for PVC ends here  
  

  
//alert(sum1); 
var sub_sub_total=sum1+ sum1PVC;   // + sum1PVC
eval('document.'+formName+'.'+'item_Total1'+''+0+'.value='+sub_sub_total);
eval('document.'+formName+'.'+'item_OtherCharges'+''+0+'.value='+sumforfrt);
  
var a = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var b = 1*eval('document.'+formName+'.'+total7+''+0+'.value');	
var c= 1*eval('document.'+formName+'.'+ed+''+0+'.value');

var d = 1*eval('document.'+formName+'.'+ed1+''+0+'.value');
var d1 = 1*eval('document.'+formName+'.'+ed11+''+0+'.value');

var e = 1*eval('document.'+formName+'.'+frt+''+0+'.value');
var f = 1*eval('document.'+formName+'.'+frt1+''+0+'.value');
var g = 1*eval('document.'+formName+'.'+ot+''+0+'.value');
var h = 1*eval('document.'+formName+'.'+ot1+''+0+'.value');
var i = 1*eval('document.'+formName+'.'+cst+''+0+'.value');
var j = 1*eval('document.'+formName+'.'+cst1+''+0+'.value');

//alert(a);
//alert(c);
//alert(e);
//alert(g);
//alert(d);

var x= ((c/100)*a);
var x1=Math.round(a-x);
eval('document.'+formName+'.'+ed1+''+0+'.value='+x);
eval('document.'+formName+'.'+ed11+''+0+'.value='+x1);

var y=Math.round((e/100)*(((a)-(x))));

eval('document.'+formName+'.'+frt1+''+0+'.value='+y);

var z=g	;
eval('document.'+formName+'.'+ot1+''+0+'.value='+z);

var m=i;
eval('document.'+formName+'.'+cst1+''+0+'.value='+m);


var total=(Math.round(((a)-(x)))+ (Math.round((e/100)*(((a)-(x)))))+ g+i) ;   // a will b changable
eval('document.'+formName+'.'+total7+''+0+'.value='+total);  
  
  
  

}


function calc_sum170forpo(formName, itr,total1,total7,ed,ed1,frt,frt1,sgst,sgst1,igst,igst1,ot,ot1,cst,cst1,ed11)  
{


for (var k=0;k<=itr;k++)
{
	
var input11 = document.getElementById('item_Qty'+''+k);

if(input11!=null){
var basic = 1*eval('document.'+formName+'.'+'item_Qty'+''+k+'.value');
var qt= 1*eval('document.'+formName+'.'+'item_Rate'+''+k+'.value');
var item_frt_n= 1*eval('document.'+formName+'.'+'item_frt_n'+''+k+'.value');
var pro=qt*basic;
var profrt=basic*item_frt_n;

eval('document.'+formName+'.'+'item_Total2'+''+k+'.value='+pro);
eval('document.'+formName+'.'+'item_frt_total'+''+k+'.value='+profrt);


  
} // if ends 
} // for k ends
var s=document.forms[0].rowhid.value;	
var sum1=0;
var sumforfrt=0;
for(var i=0;i<s;i++)
  {
    var subtotal= 1*eval('document.'+formName+'.'+'item_Total2'+''+i+'.value');
	var subtotalforfrt= 1*eval('document.'+formName+'.'+'item_frt_total'+''+i+'.value');
    sum1=sum1+subtotal;
	//alert(sum1);
	sumforfrt=sumforfrt+subtotalforfrt;
  }

// alert(sum1);
// for PVC  

var sum1PVC=0; 
var input = document.getElementById('item_QtyPVC'+''+itr);

if(input!=null){

var basicPVC = 1*eval('document.'+formName+'.'+'item_QtyPVC'+''+itr+'.value');
var qtPVC= 1*eval('document.'+formName+'.'+'item_RatePVC'+''+itr+'.value');
var proPVC=qtPVC*basicPVC;

eval('document.'+formName+'.'+'item_Total2PVC'+''+itr+'.value='+proPVC);
var sPVC=document.forms[0].rowhidPVC.value; 

for(var i=0;i<sPVC;i++)
  {
	var subtotalPVC= 1*eval('document.'+formName+'.'+'item_Total2PVC'+''+i+'.value');
    sum1PVC=sum1PVC+subtotalPVC;

  } //for ends
  
  
}//if ends
   
// for PVC ends here  
  

  
//alert(sum1); 
var sub_sub_total=sum1+ sum1PVC;   // + sum1PVC
eval('document.'+formName+'.'+'item_Total1'+''+0+'.value='+sub_sub_total);

  
var a = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var b = 1*eval('document.'+formName+'.'+total7+''+0+'.value');	
var c= 1*eval('document.'+formName+'.'+ed+''+0+'.value');

var d = 1*eval('document.'+formName+'.'+ed1+''+0+'.value');
var d1 = 1*eval('document.'+formName+'.'+ed11+''+0+'.value');

var e = 1*eval('document.'+formName+'.'+frt+''+0+'.value');
var f = 1*eval('document.'+formName+'.'+frt1+''+0+'.value');
var g = 1*eval('document.'+formName+'.'+ot+''+0+'.value');
var h = 1*eval('document.'+formName+'.'+ot1+''+0+'.value');
var i = 1*eval('document.'+formName+'.'+cst+''+0+'.value');
var j = 1*eval('document.'+formName+'.'+cst1+''+0+'.value');

//alert(a);
//alert(c);
//alert(e);
//alert(g);
//alert(d);

var x= ((c/100)*a);
var x1=a-x;
eval('document.'+formName+'.'+ed1+''+0+'.value='+x);
eval('document.'+formName+'.'+ed11+''+0+'.value='+x1);

var y=(e/100)*(((a)-((c/100)*a)));

eval('document.'+formName+'.'+frt1+''+0+'.value='+y);

var z=g	;
eval('document.'+formName+'.'+ot1+''+0+'.value='+z);

var m=i;
eval('document.'+formName+'.'+cst1+''+0+'.value='+m);


var total=((((a)-((c/100)*a))))+ ((e/100)*(((a)-((c/100)*a))))+ g+i ;   // a will b changable
eval('document.'+formName+'.'+total7+''+0+'.value='+total);  
  
  
  

}







function calc_date(formName,dd1,itr,dd2)
{
var d1 = 1*eval('document.'+formName+'.'+dd1+''+0+'.value');	

alert('document.'+formName+'.'+dd2+''+0+'.value='+d1);
}



function calc_product(formName,qtyField,rateField,totalField, itr,total1)
{
	var basic = 1*eval('document.'+formName+'.'+rateField+''+itr+'.value');
	var qt= 1*eval('document.'+formName+'.'+qtyField+''+itr+'.value');
var pro=qt*basic;
	
	eval('document.'+formName+'.'+totalField+''+itr+'.value='+pro);
	var sum1=0;
	
	for(var i=0;i<=itr;i++)
  {
	  // alert('document.'+formName+'.'+'.itr='+i);
	var subtotal= 1*eval('document.'+formName+'.'+totalField+''+i+'.value');
    sum1=sum1+subtotal;
  }
  eval('document.'+formName+'.'+total1+''+0+'.value='+sum1);
}



function calc_sum7(formName, itr,total7,ed,total1)
{
var t = 1*eval('document.'+formName+'.'+total1+''+0+'.value');	
var e = 1*eval('document.'+formName+'.'+ed+''+0+'.value');	
var pro=t*(e/100);
var sumu=pro+t;
eval('document.'+formName+'.'+total7+''+0+'.value='+sumu);
}




function calc_sum8(formName, itr,total8,cst)
{
var t =1*eval('document.'+formName+'.'+total8+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+cst+''+itr+'.value');

var pro=t*(e/100);
var sumu=pro+t;
eval('document.'+formName+'.'+total8+''+itr+'.value='+sumu);
}



function calc_sum8forpo(formName, itr,total8,cst,cst1)
{
var t =1*eval('document.'+formName+'.'+total8+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+cst+''+itr+'.value');


var pro=t*(e/100);
var sumu=pro+t;
eval('document.'+formName+'.'+cst1+''+itr+'.value='+pro);
eval('document.'+formName+'.'+total8+''+itr+'.value='+sumu);
}




function calc_sum9(formName, itr,total9,frt)
{
var t = 1*eval('document.'+formName+'.'+total9+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+frt+''+itr+'.value');	

var sumu=e+t;
eval('document.'+formName+'.'+total8+''+itr+'.value='+sumu);
}

function calc_sum9forpo(formName,itr,total9,frt,frt1,ed1)
{
var t = 1*eval('document.'+formName+'.'+total9+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+frt+''+itr+'.value');	
var e1 = 1*eval('document.'+formName+'.'+ed1+''+itr+'.value');



var pro=e1*(e/100);
var pro1=t+pro;
eval('document.'+formName+'.'+frt1+''+itr+'.value='+pro);
eval('document.'+formName+'.'+total9+''+itr+'.value='+pro1);
}

function calc_sum10(formName, itr,total10,ot)
{
var t = 1*eval('document.'+formName+'.'+total10+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+ot+''+itr+'.value');	
var pro=t+e;
pro=pro.toFixed(2);
eval('document.'+formName+'.'+total10+''+itr+'.value='+pro);
}


function calc_sum10forpo(formName, itr,total10,ot,ot1,ed1)
{
var t = 1*eval('document.'+formName+'.'+total10+''+itr+'.value');
var e = 1*eval('document.'+formName+'.'+ot+''+itr+'.value');
var e1 = 1*eval('document.'+formName+'.'+ed1+''+itr+'.value');
var pro=e1*(e/100);
var pro1=t+pro;

eval('document.'+formName+'.'+ot1+''+itr+'.value='+pro);
eval('document.'+formName+'.'+total10+''+itr+'.value='+pro1);
}






function calc_sum(formName,qtyField,rateField,totalField, fieldArray, itr)
{
	
	var default_val = 0.0;
	var basic = 1*eval('document.'+formName+'.'+rateField+''+itr+'.value');
	var pac=0;
	var gst=0 ;
	
	var fr=0;
	var oth=0;
	
/*if (eval('document.'+formName+'.'+qtyField+''+itr) && IsEmpty(eval('document.'+formName+'.'+qtyField+''+itr+'.value'))) 							   	{
		eval('document.'+formName+'.'+qtyField+''+itr+'.value=0');
	}
if (eval('document.'+formName+'.'+rateField+''+itr) && IsEmpty(eval('document.'+formName+'.'+rateField+''+itr+'.value'))) 														 	{
		eval('document.'+formName+'.'+rateField+''+itr+'.value='+default_val);
	}
*/
/*for(var i =0;i<fieldArray.length;i++)
{
	if (eval('document.'+formName+'.'+fieldArray[i]+''+itr) && IsEmpty(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')))
	{
		eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value='+default_val);
	}//end of if
 	else */

for(var i =0;i<fieldArray.length;i++)
{
  		if(parseFloat(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))>0.0)
        {
			if(i==0)
			{
				if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="1"'))
				{
					pac = basic * (eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="0"'))
				{
					pac = eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')*1.0;
				}
			}//end of packaging
			
			if(i==5)
			{
				
				
				gst = (basic + pac + fr + oth) * (eval('document.'+formName+'.'+fieldArray[5]+''+itr+'.value')/100);
				
			}//end of gst
			
			if(i==1)
			{
				if(eval('document.'+formName+'.'+fieldArray[1]+'_type'+itr+'.value=="1"'))
				{
					fr = basic * (eval('document.'+formName+'.'+fieldArray[1]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[1]+'_type'+itr+'.value=="0"'))
				{
					fr = eval('document.'+formName+'.'+fieldArray[1]+''+itr+'.value')*1.0;
				}
			}//end of frieght
			
			if((i!=0&&i!=1&&i!=5)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="1"')))
			{
				oth = oth + (basic  * (eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')/100));
			}
			if((i!=0&&i!=1&&i!=5)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="0"')))
			{
				oth = oth + eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')*1.0;
			}//end of others
}
}//end of for loop
sum = basic + pac + fr + oth + gst;

sum=sum.toFixed(2);
eval('document.'+formName+'.'+totalField+''+itr+'.value='+sum);
var inst=0.0;
var comm=0.0;
}






//Function to make numbers only field

function numbersonly(e, decimal) {
 var key;
     var keychar;
     
     if (window.event) {
        key = window.event.keyCode;
     }
     else if (e) {
       key = e.which;
    }
    else {
       return true;
    }
    keychar = String.fromCharCode(key);
    
    if ((key==null) || (key==0) || (key==8) ||  (key==9) || (key==13) || (key==27) ) {
       return true;
    }
    else if ((("0123456789").indexOf(keychar) > -1)) {
       return true;
    }
    else if (decimal && (keychar == ".")) { 
      return true;
    }
    else
       return false;
}

function numbersonly(form_element, e, decimal) {
 var key;
     var keychar;
     
     if (window.event) {
        key = window.event.keyCode;
     }
     else if (e) {
       key = e.which;
    }
    else {
       return true;
    }
    keychar = String.fromCharCode(key);
    
    if ((key==null) || (key==0) || (key==8) ||  (key==9) || (key==13) || (key==27) ) {
       return true;
    }
    else if ((("0123456789").indexOf(keychar) > -1)) {
       return true;
    }
    else if (decimal && (keychar == ".")) { 
	if(form_element.value.indexOf('.')>0){
		return false;
	}
      return true;
    }
    else
       return false;
}

/*
******* How to Use It******
<form>
    <input name="number"  onKeyPress="return numbersonly(event, false)">
 </form>
 second parameter tells whether to allow decimals or not
*/


//end of function numbersOnly


/*
Function to check empty field
*/

function IsEmpty(aTextField) {
   if ((aTextField.length == 0) ||
   (aTextField == null)) {
      return true;
   }
   else { return false; }
}




/*
variable to hold the field names and the corresponding error message
must be defined inside individual forms

var fieldArray = new Array(new Array('tender_no','client_id'),new Array('You must enter the  Tender No','You must select a client'));
*/


//variable to hold form name.
//must be defined inside the individual forms
//var formName ='form1';




function checkform(formName, fieldArray){
	
	var errStr = "";
	//alert(fieldArray.length);
	//alert(fieldArray[0].length);
	
	for(var i =0;i<fieldArray[0].length;i++)
	{
		//alert(eval('document.'+formName+'.'+fieldArray[0][i]+'.value'));	
		if (IsEmpty(eval('document.'+formName+'.'+fieldArray[0][i]+'.value'))) {
			errStr = errStr + "- "+ fieldArray[1][i] +"\n";
		}//end of if
	}//end of for loop
	
	if (errStr != "") {
		alert(errStr);
		return false;
	}
	//else if(errStr.length==0){
	return true;
	//}
}

function checkDateForm(formName){
	
	var errStr = "";
	
	var fromDate = document.getElementById('applicableFromDate').value;
	var toDate = document.getElementById('applicableToDate').value;
	//alert(fromDate);
	
	var firstDate = parseInt(fromDate.substring(0,fromDate.indexOf("-")),10);
    var firstMonth = parseInt(fromDate.substring(fromDate.indexOf("-")+1,fromDate.indexOf("-",fromDate.indexOf("-")+1)),10);
    var firstYear = parseInt(fromDate.substring(fromDate.indexOf("-",fromDate.indexOf("-")+1)+1,10),10); 
    	
    var secondDate = parseInt(toDate.substring(0,toDate.indexOf("-")),10);
    var secondMonth = parseInt(toDate.substring(toDate.indexOf("-")+1,toDate.indexOf("-",toDate.indexOf("-")+1)),10);
    var secondYear = parseInt(toDate.substring(toDate.indexOf("-",toDate.indexOf("-")+1)+1,10),10); 
    
    
    var dateFirst 	= new Date(firstYear,firstMonth,firstDate);
    var dateSecond = new Date(secondYear,secondMonth,secondDate);
    
    if(dateFirst > dateSecond) {
    	errStr = "Applicable Start Date can never be greater than Applicable End Date";
    }
    
    if (errStr != "") {
		alert(errStr);
		return false;
	}
    
    return true;
}




/*
variable to hold the field names and the corresponding error message
must be defined inside individual forms

var fieldArray = new Array(new Array('tender_no','client_id'),new Array('You must enter the  Tender No','You must select a client'));
*/


//variable to hold form name.
//must be defined inside the individual forms
//var formName ='form1';




function checkform_dynamicrow(formName, fieldArray, count){
	
	var errStr = "";
	//alert(fieldArray.length);
	//alert(fieldArray[0].length);
	//alert(count);
	for(var x=0;x<count;x++){
		//	alert(count);
		for(var i =0;i<fieldArray[0].length;i++)
		{
				
			//alert('document.'+formName+'.'+fieldArray[0][i]+'.value');	
			if (IsEmpty(eval('document.'+formName+'.'+fieldArray[0][i]+x+'.value'))) {
				errStr = errStr + "- "+ fieldArray[1][i] +"\n";
			}//end of if
		}//end of for loop

	}//end of outer for
	if (errStr != "") {
		alert(errStr);
		return false;
	}
	//else if(errStr.length==0){
	return true;
	//}
}

function  checkform_dispatch_dynamicrow(formName,rowDispatchFieldArray ,fieldArray, count){
var errStr = "";
for(var x=0;x<count;x++)                                             // loop for each item
	{
		var count_ds = eval('document.'+formName+'.ds_rowhid'+x+'.value')               // value for deliery  date 1
		//  alert("count_ds======="+count_ds); 
		var count_dispatch = eval('document.'+formName+'.ds_rowhidDispatch'+x+'.value')// value for lot end date 5
        var str2;
		var str1;
		for(var y=0;y<count_dispatch;y++)
		{
			   
			    	str1= eval('document.'+formName+'.ds_delivery_date'+x+y+'.value');
					//alert("str1======="+str1); 
					var dt1   = parseInt(str1.substring(0,str1.indexOf("-")),10);
					var mon1  =  parseInt(str1.substring(str1.indexOf("-")+1,str1.indexOf("-",str1.indexOf("-")+1)),10);
					var yr1  = parseInt(str1.substring(str1.indexOf("-",str1.indexOf("-")+1)+1,10),10); 
					var date1 = new Date(yr1, mon1, dt1); 
		          
		  for(var z=y;z<y+1;z++)
		     { 
		 
				    str2= eval('document.'+formName+'.lot_end_date'+x+z+'.value');
		       	 	//alert("str2======="+str2); 
					
					
		     		var dt2   = parseInt(str2.substring(0,str2.indexOf("-")),10);
			        var mon2  =  parseInt(str2.substring(str2.indexOf("-")+1,str2.indexOf("-",str2.indexOf("-")+1)),10);
			       var yr2   = parseInt(str2.substring(str2.indexOf("-",str2.indexOf("-")+1)+1,10),10); 
			       var date2 = new Date(yr2, mon2, dt2); 
         
		     	if(date1-date2!=0 )
    		     {
		     	errStr = "delivery dates should matched with dispatch dates";
		          } 
			    
		 
	     } //emd of z
		
		  
		}  // end of y 
		
	 }//end of outer for (x)

if (errStr != "") 
	{
		alert(errStr);
		return false;
	}
	//else if(errStr.length==0){
	return true;
	
} 


function  checkform_ref_no(formName,count){
var errStr = "";
for(var x=0;x<count;x++)                                             // loop for each item
	{
		var ref_no = eval('document.'+formName+'.amendment_ref_no.value')// value for lot end date 5
		//alert("rowRefno======="+rowRefno); 
		//alert("count======="+count);
	  //alert("ref_no======="+ref_no); 
		
	var ref_no_history = eval('document.'+formName+'.amendment_ref_no_history'+x+'.value')               // value for deliery  date 1
	//	alert("ref_no_history======="+ref_no_history); 
	if(ref_no==ref_no_history)
    {
		 errStr = "Amendment Ref no is already added.Please change the Ref no in new amendment";
     }  
		
	 }//end of outer for (x)

if (errStr != "") 
	{
		alert(errStr);
		return false;
	}
	//else if(errStr.length==0){
	return true;
	
} 





function deliverySchedule()
{
var count= document.forms[0].rowhid.value;

for(var i=0;i<count;i++){
var totalQty=0;
var ds_count = document.getElementById('date_row_id'+i).value;

var outerQty = parseInt(document.getElementById('item_Qty'+i).value);


for(var k =0; k<ds_count; k++)
{
var qty = document.getElementById('ds_qty_date'+k+i).value;

totalQty= parseInt(totalQty)+parseInt(qty);

var startDate = document.getElementById('ds_start_delivery_date'+k+i).value;
var endDate = document.getElementById('ds_delivery_date'+k+i).value;


var dt1   = parseInt(startDate.substring(0,startDate.indexOf("-")),10);
var mon1  = parseInt(startDate.substring(startDate.indexOf("-")+1,startDate.indexOf("-",startDate.indexOf("-")+1)),10);
var yr1   = parseInt(startDate.substring(startDate.indexOf("-",startDate.indexOf("-")+1)+1,10),10); 

var dt2   = parseInt(endDate.substring(0,endDate.indexOf("-")),10);
var mon2  =  parseInt(endDate.substring(endDate.indexOf("-")+1,endDate.indexOf("-",endDate.indexOf("-")+1)),10);
var yr2   = parseInt(endDate.substring(endDate.indexOf("-",endDate.indexOf("-")+1)+1,10),10); 

var date1 = new Date(yr1, mon1, dt1); 
var date2 = new Date(yr2, mon2, dt2); 

if(date1>date2)
{
alert("Start Date can never be greater than End Date");
return false;
}

}
if(totalQty != outerQty){
alert("Quantity is "+totalQty+" Sum of Delivery Schedule is not equal to Item Quantity");
return false;
}
}
return true;
}



function checkform_ds_dynamicrow(formName, fieldArray, count){
	
	
	var errStr = "";
	for(var x=0;x<count;x++)
	{
		var count_ds = eval('document.'+formName+'.ds_rowhid'+x+'.value')
		var qty = eval('document.'+formName+'.item_Qty'+x+'.value')
		var str1;
		var str2;
		var vale = 0;
		var tot=0;
		for(var y=0;y<count_ds;y++)
		{
			for(var i =0;i<fieldArray[0].length;i++)
			{
				if (IsEmpty(eval('document.'+formName+'.'+fieldArray[0][i]+x+y+'.value'))) 
				{
					errStr = errStr + "- "+ fieldArray[1][i] +"\n";
				}//end of if
				
				if(i==0)
				{
					vale = eval('document.'+formName+'.ds_qty'+x+y+'.value');
					str1= eval('document.'+formName+'.ds_start_delivery_date'+x+y+'.value');
				//	str3= eval('document.'+formName+'.ds_delivery_date'+x+(y+1)+'.value');
				    ///alert("str1======="+str1); 
					// alert("str3======="+str3); 
					str2= eval('document.'+formName+'.ds_delivery_date'+x+y+'.value');
				//alert("count======="+str1); 
			   // alert("count======="+str2);
					
			//var n=str1.indexOf("-",str1.indexOf("-")+1)+1;
			//alert("co===="+n );
var dt1   = parseInt(str1.substring(0,str1.indexOf("-")),10);
var mon1  = parseInt(str1.substring(str1.indexOf("-")+1,str1.indexOf("-",str1.indexOf("-")+1)),10);
var yr1   = parseInt(str1.substring(str1.indexOf("-",str1.indexOf("-")+1)+1,10),10); 

var dt2   = parseInt(str2.substring(0,str2.indexOf("-")),10);
var mon2  =  parseInt(str2.substring(str2.indexOf("-")+1,str2.indexOf("-",str2.indexOf("-")+1)),10);
var yr2   = parseInt(str2.substring(str2.indexOf("-",str2.indexOf("-")+1)+1,10),10); 

var date1 = new Date(yr1, mon1, dt1); 
var date2 = new Date(yr2, mon2, dt2); 

if(date1>date2)
    {
   errStr = "Start Date can never be greater than End Date";
    }
			
                  tot += Number(vale);
				}
			}
			
		}
	if(qty!=tot)
	{
		errStr = "Sum of delivery schedule is not equal to Quantity";
	}
	 
	
	
	}//end of outer for
	if (errStr != "") {
		alert(errStr);
		return false;
	}
	//else if(errStr.length==0){
	return true;
	//}
}

function disableall(){
var ini_element_name;
var ini_element_type;
for (f=0;f<document.forms.length;f++) 
{
	for (e=0;e<document.forms[f].elements.length;e++)
	{
		if(document.forms[f].elements[e].type.toUpperCase()=='BUTTON' && document.forms[f].elements[e].value.trim().toUpperCase()=='BACK') ;
		else{
		document.forms[f].elements[e].disabled=true;
		}
	}
}
}//end of function



function calc_sum_bill(formName,qtyField,rateField,totalField, fieldArray, itr,totalField1)
{

	var default_val = 0.0;
	var basic = 1*eval('document.'+formName+'.'+rateField+''+itr+'.value');
	var pac=0;
	var ed=0;
	var st=0;
	var fr=0;
	var oth=0;
	
for(var i =0;i<fieldArray.length;i++)
{
  		if(parseFloat(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))>0.0)
        {
			if(i==0)
			{
				if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="1"'))
				{
					pac = basic * (eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="0"'))
				{
					pac = eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')*1.0;
				}
			}//end of packaging
			if(i==1 || i==2)
			{
				if(i==1)
				{
					ed = (basic + pac) * (eval('document.'+formName+'.'+fieldArray[1]+''+itr+'.value')/100);
				}
				if(i==2)
				{
					st = (basic + pac + ed) * (eval('document.'+formName+'.'+fieldArray[2]+''+itr+'.value')/100);
				}
			}//end of ed and cst
			if(i==3)
			{
				if(eval('document.'+formName+'.'+fieldArray[3]+'_type'+itr+'.value=="1"'))
				{
					fr = basic * (eval('document.'+formName+'.'+fieldArray[3]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[3]+'_type'+itr+'.value=="0"'))
				{
					fr = eval('document.'+formName+'.'+fieldArray[3]+''+itr+'.value')*1.0;
				}
			}//end of frieght
			
			if((i!=0&&i!=1&&i!=2&&i!=3)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="1"')))
			{
				oth = oth + ((basic + pac) * (eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')/100));
			}
			if((i!=0&&i!=1&&i!=2&&i!=3)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="0"')))
			{
				oth = oth + eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')*1.0;
			}//end of others
		}
}//end of for loop
sum = basic + pac + ed + st + fr + oth;
sum=sum.toFixed(2);
newsum = sum * (1*eval('document.'+formName+'.'+qtyField+''+itr+'.value'));
newsum=newsum.toFixed(2);
eval('document.'+formName+'.'+totalField+''+itr+'.value='+sum);
eval('document.'+formName+'.'+totalField1+''+itr+'.value='+newsum);
}









var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}




function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}




function calc_sumumender(formName,qtyField,rateField,totalField, fieldArray, itr)
{
	
	var default_val = 0.0;
	var basic = 1*eval('document.'+formName+'.'+rateField+''+itr+'.value');
	var pac=0;s
	var ed=0;
	var st=0;
	var fr=0;
	var oth=0;
	
/*if (eval('document.'+formName+'.'+qtyField+''+itr) && IsEmpty(eval('document.'+formName+'.'+qtyField+''+itr+'.value'))) 							   	{
		eval('document.'+formName+'.'+qtyField+''+itr+'.value=0');
	}
if (eval('document.'+formName+'.'+rateField+''+itr) && IsEmpty(eval('document.'+formName+'.'+rateField+''+itr+'.value'))) 														 	{
		eval('document.'+formName+'.'+rateField+''+itr+'.value='+default_val);
	}
*/
/*for(var i =0;i<fieldArray.length;i++)
{
	if (eval('document.'+formName+'.'+fieldArray[i]+''+itr) && IsEmpty(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')))
	{
		eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value='+default_val);
	}//end of if
 	else */

for(var i =0;i<fieldArray.length;i++)
{
  		if(parseFloat(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))>0.0)
        {
			if(i==0)
			{
				if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="1"'))
				{
					pac = basic * (eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[0]+'_type'+itr+'.value=="0"'))
				{
					pac = eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')*1.0;
				}
			}//end of packaging
			if(i==1 || i==2)
			{
				if(i==1)
				{
					ed = (basic + pac) * (eval('document.'+formName+'.'+fieldArray[1]+''+itr+'.value')/100);
				}
				if(i==2)
				{
					st = (basic + pac + ed) * (eval('document.'+formName+'.'+fieldArray[2]+''+itr+'.value')/100);
				}
			}//end of ed and cst
			if(i==3)
			{
				if(eval('document.'+formName+'.'+fieldArray[3]+'_type'+itr+'.value=="1"'))
				{
					fr = basic * (eval('document.'+formName+'.'+fieldArray[3]+''+itr+'.value')/100);
				}
				else if(eval('document.'+formName+'.'+fieldArray[3]+'_type'+itr+'.value=="0"'))
				{
					fr = eval('document.'+formName+'.'+fieldArray[3]+''+itr+'.value')*1.0;
				}
			}//end of frieght
			
			if((i!=0&&i!=1&&i!=2&&i!=3)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="1"')))
			{
				oth = oth + ((basic + pac) * (eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')/100));
			}
			if((i!=0&&i!=1&&i!=2&&i!=3)&&(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value=="0"')))
			{
				oth = oth + eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')*1.0;
			}//end of others
}
}//end of for loop
sum = basic + pac + ed + st + fr + oth;
sum=sum.toFixed(2);
eval('document.'+formName+'.'+totalField+''+itr+'.value='+sum);
	
var inst=0.0;
var comm=0.0;
}

var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}




function validate_date(){
	var dt=document.forms[0].due_date
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
}
function validate_sub_date(){
	var dt=document.forms[0].submission_Date
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
}

function validate_po_date(){
	var dt=document.forms[0].purchase_order_Date
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
}

function calc_sum_old(formName,qtyField,rateField,totalField, fieldArray, itr)//not in use
{
	
	var default_val = 0.0;
	var sum=0;

	if (eval('document.'+formName+'.'+rateField+''+itr) && IsEmpty(eval('document.'+formName+'.'+rateField+''+itr+'.value'))) 							        {
			eval('document.'+formName+'.'+rateField+''+itr+'.value='+default_val);
		}
	for(var i =0;i<fieldArray.length;i++)
	{
		//alert(eval('document.'+formName+'.'+fieldArray[0][i]+'.value'));	
  if (eval('document.'+formName+'.'+fieldArray[i]+''+itr) && IsEmpty(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))) 		{
			eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value='+default_val);
		}//end of if
 else 
  if(parseFloat(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))>0.0)
        {
			
				//alert(eval('document.'+formName+'.'+fieldArray[i]+'_type'+itr+'.value'));
 sum=sum + 1.0*(eval('document.'+formName+'.'+rateField+''+itr+'.value')) * (eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value')/100);
			
		}
	}//end of for loop
 sum=sum+1.0* eval('document.'+formName+'.'+rateField+''+itr+'.value');
	eval('document.'+formName+'.'+totalField+''+itr+'.value='+sum);
	
	var inst=0.0;
	var comm=0.0;
	
	
}

function calc_sum_com(formName,qtyField,rateField,totalField, fieldArray, itr)
{
	var default_val = '0';
	var basic = 1*eval('document.'+formName+'.'+rateField+''+itr+'.value');
	var pac=0;
	
	var gst=0;
	var fr=0;
	var ins=0;
	var oth=0;
	
for(var i =0;i<fieldArray.length;i++)
{
	if(parseFloat(eval('document.'+formName+'.'+fieldArray[i]+''+itr+'.value'))>0.0)
        {
			if(i==0)
			{
				pac = eval('document.'+formName+'.'+fieldArray[0]+''+itr+'.value')*1.0;
			}//end of packaging
			
				
				
			if(i==1)
			{
				fr = eval('document.'+formName+'.'+fieldArray[1]+''+itr+'.value')*1.0;
			}//end of frieght
			if(i==2)
			{
				gst = (basic + pac + fr) * (eval('document.'+formName+'.'+fieldArray[2]+''+itr+'.value')/100);
			}
		    //end of gst
			if(i==3)
			{
				ins = eval('document.'+formName+'.'+fieldArray[3]+''+itr+'.value')*1.0;
			}//end of installation
			
}
}//end of for loop
sum = basic + pac + gst + fr+ins;
sum=sum.toFixed(2);
eval('document.'+formName+'.'+totalField+''+itr+'.value='+sum);
	
var inst=0.0;
var comm=0.0;
}

function hasSpecialChars(field){
	var val=field.value;
	var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";    
	if(val.indexOf(iChars) != -1) {  
		alert ("The box has special characters. \nThese are not allowed.\n");   
		val='';
		field.focus();
		return false;
	} 
}