function changeDiv(DivID){
document.getElementById('div0').className='TabDown';
document.getElementById('div1').className='TabDown';
document.getElementById('div2').className='TabDown';
document.getElementById('div3').className='TabDown';
document.getElementById('div'+DivID).className='TabUp';
document.getElementById('indiv0').style.display='none';
document.getElementById('indiv1').style.display='none';
document.getElementById('indiv2').style.display='none';
document.getElementById('indiv3').style.display='none';
document.getElementById('indiv'+DivID).style.display='';


}

function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode;
         if (charCode==46){
         return true;
         }else{
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;
			}
         return true;
      }


function additem(indexvar,itemcode)
{
continuevar=0

if (indexvar >= 0) {
	continuevar=0
	quantity = eval("document.formname.ddm"+indexvar+".value")	
	if (isNaN(quantity)){
		continuevar=1
	}



	if (continuevar==1||quantity<1){
		alert("Please enter a valid number for the quantity field")
	}else{
		document.formname.itemcode.value = itemcode;
		document.formname.quantity.value = quantity;
		document.formname.isSample.value = "0";
		document.formname.submit();
	}
}

}


function addSample(itemcode,variantcode)
{
		document.formname.itemcode.value = itemcode;
		document.formname.variantcode.value = variantcode;
		document.formname.quantity.value = "1";
		document.formname.isSample.value = "1";
		document.formname.submit();
}


function additemmulti(indexvar,itemcode,variantcode)
{
continuevar=0

if (indexvar >= 0) {
	continuevar=0
	quantity = eval("document.formname.ddmm"+indexvar+".value")	
	if (isNaN(quantity)){
		continuevar=1
	}



	if (continuevar==1||quantity<1){
		alert("Please enter a valid number for the quantity field")
	}else{
		document.formname.itemcode.value = itemcode;
		document.formname.quantity.value = quantity;
		document.formname.isSample.value = "0";

		document.formname.variantcode.value = variantcode;
		document.formname.submit();
	}
}

}



function chgU(DivID){
document.getElementById('List'+DivID).style.display='';
document.getElementById('TopList'+DivID).style.display='';

}
function chgD(DivID){
document.getElementById('List'+DivID).style.display='none';
document.getElementById('TopList'+DivID).style.display='none';
}

function handleResponse(arg1,arg2,prodCode,isSample){
	
document.getElementById("ItemCount").innerHTML=arg1+'&nbsp;&nbsp;';
document.getElementById("ItemTotal").innerHTML=arg2+'&nbsp;&nbsp;';
checkRelatedAccessories(prodCode,isSample);
}









function getCarpetResult(){


var truewidth=0;
var truelength=0;
var wastage=0;
var intFinal=0;


wastage=parseFloat(document.Calculator.Wastage.value);

truewidth=parseFloat(document.Calculator.Width1.value);
truelength=parseFloat(document.Calculator.Length1.value);
maxwidth=parseFloat(document.Calculator.MaxWidth.value)
if(truewidth>truelength){
truewidth=eval(document.Calculator.Length1.value);
truelength=eval(document.Calculator.Width1.value);
}else{
truewidth=eval(document.Calculator.Width1.value);
truelength=eval(document.Calculator.Length1.value);
}



if(document.Calculator.WastageUnit.value=="Percent"){
intFinal=parseFloat(truewidth*(truelength*((100+wastage)/100)));
}else{
intFinal=parseFloat(truewidth*(truelength+wastage))

}



document.getElementById("CalcResults").innerHTML=intFinal+" Sq Metres";

}



function getPackResult(){


var truewidth1=0;
var truelength1=0;
var truewidth2=0;
var truelength2=0;
var truewidth3=0;
var truelength3=0;
var trueSQ=0;
var wastage=0;
var fltPacksReq=0;
var intPacksReq=0;
var intFinal=0;


wastage=parseFloat(document.Calculator.Wastage.value);

truewidth1=parseFloat(0+document.Calculator.Width1.value);
truelength1=parseFloat(0+document.Calculator.Length1.value);
truewidth2=parseFloat(0+document.Calculator.Width2.value);
truelength2=parseFloat(0+document.Calculator.Length2.value);
truewidth3=parseFloat(0+document.Calculator.Width3.value);
truelength3=parseFloat(0+document.Calculator.Length3.value);

trueSQ=parseFloat((truewidth1*truelength1)+(truewidth2*truelength2)+(truewidth3*truelength3))

fltPacksReq=parseFloat((trueSQ)*((100+wastage)/100)/parseFloat(document.Calculator.SQPERPACK.value));
intPacksReq=parseInt((trueSQ)*((100+wastage)/100)/parseFloat(document.Calculator.SQPERPACK.value));

if(parseFloat(fltPacksReq-intPacksReq)>0){
intFinal=intPacksReq+1;
}else{
intFinal=intPacksReq;
}


document.getElementById("CalcResults").innerHTML=intFinal+" Packs";


}