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

         return true;

      }
  function isNumberKey1(objvalue,evt)
      {
        if(objvalue.value=='')
      { 
         alert("Quantity must be Entered");
         return false;
      }
      else if(objvalue.value<=0)
      {
         alert("Quantity must be Greater then 0");
         return false;
      }else{
         return true;  
      }  
  }
function CheckboxDelSelection()
	{
		var LIntCtr;
		var LIntSelectedCheckBoxes=0;
		
		for (LIntCtr=0; LIntCtr < document.forms[0].elements.length; LIntCtr++) {
			if ((document.forms[0].elements[LIntCtr].type == 'checkbox') && (document.forms[0].elements[LIntCtr].name.indexOf('chkProduct') > -1)) {
				if(document.forms[0].elements[LIntCtr].checked == true){
					LIntSelectedCheckBoxes = parseInt(LIntSelectedCheckBoxes) + 1;
				}
			}
		}
		
		if(parseInt(LIntSelectedCheckBoxes)==0){
			alert('Item(s) Must Be Selected For Deletion !');
			return false;
		}
		else{
			return window.confirm('Do You Really Want To Delete The Selected Item(s) !');
		}
		
		
	}		
	
function CheckBuilderDiscount()
{
	/*var LStrCouponCodeString
	var LArrCouponCodeString
	var LIntCtr
	var LStrEnteredCouponCode
	
	LStrEnteredCouponCode = document.frmPage.txtCouponCode.value;
	if(LStrEnteredCouponCode.length > 0){
		LStrCouponCodeString = document.frmPage.hdnCouponCode.value;
		LArrCouponCodeString = LStrCouponCodeString.split("~");
		for(LIntCtr=0; LIntCtr < LArrCouponCodeString.length; LIntCtr++){
			LArrIndividualCouponString = LArrCouponCodeString[LIntCtr].split("|");				
			if(LStrEnteredCouponCode.toLowerCase() == LArrIndividualCouponString[0].toLowerCase()) return true;
		}
		alert("Please Enter a Valid Builder Discount Code !");
		document.frmPage.txtCouponCode.focus();
		return false;
	}*/
	return true;
}	
	
function CheckboxUpdateSelection()
	{
		var LIntCtr;
		var LIntSelectedCheckBoxes=0;
		
		for (LIntCtr=0; LIntCtr < document.forms[0].elements.length; LIntCtr++) {
			if ((document.forms[0].elements[LIntCtr].type == 'checkbox') && (document.forms[0].elements[LIntCtr].name.indexOf('chkProduct') > -1)) {
				if(document.forms[0].elements[LIntCtr].checked == true){
					LIntSelectedCheckBoxes = parseInt(LIntSelectedCheckBoxes) + 1;
				}
			}
		}
		
		if(parseInt(LIntSelectedCheckBoxes)==0){
			alert('Item(s) Must Be Selected For Updation !');
			return false;
		}
		else{
			return window.confirm('Do You Really Want To Update The Selected Item(s) !');
		}
		
		
	}