function calc (lg,elem1,elem2,elemsum,disc){
	var e1 = document.getElementById(elem1);
	var e2 = document.getElementById(elem2);
	var sum = document.getElementById(elemsum);
	if(disc>0)
      num = (e1.value * e2.value)-((e1.value * e2.value)*disc/100);
    else
      num = e1.value * e2.value;
    n=num.toFixed(2);
    if(lg==1)
     n=n.replace(".",",");
    
     sum.innerHTML=n;

       
}


function setClass( hEl, sClass ){
    hEl.className = sClass
}

function numbersonly(myfield, e, dec){
	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 (dec && (keychar == "."))
	   {
	   myfield.form.elements[dec].focus();
	   return false;
	   }
	else
	   return false;
}

/*$(document).ready(function() {

$("#e_cat").change(function() {
				fill_type();			
		});
				
});
 
 function fill_type()
 {
 	//alert($("#e_cat").val());
 	
 	var id=$("#e_cat").val();
	if(id)
		{
			//$("#e_type").removeOption(/./);
		//	$("#e_type").addOption("Value", "Text");
			$("#e_type").ajaxAddOption("script1.php",{"id":id});
			//$("#model").removeOption(/./);
		}
	else 
		{
			$("#e_type").removeOption(/./);
			//$("#model").removeOption(/./);
		}
 	}
*/





function explodeArray(item,delimiter)
{
tempArray=new Array(1);
var Count=0;
var tempString=new String(item);

while (tempString.indexOf(delimiter)>0)
{
tempArray[Count]=tempString.substr(0,tempString.indexOf(delimiter));
tempString=tempString.substr(tempString.indexOf(delimiter)+1,tempString.length-tempString.indexOf(delimiter)+1);
Count=Count+1
}

tempArray[Count]=tempString;
return tempArray;
}


function selOffer(offer){


	if(offer!=""){
		oldValue=	document.getElementById("selectedOffers").value;
		var newarr="";

		var flag=0;
		var arr=new Array();
		if(oldValue)
			arr=explodeArray(oldValue,",");

		for (var k = 0; k < arr.length; k++) {
			if(offer==arr[k]){
				flag=1;		
			}	
		}


		if(flag>0){
		
		for (var i = 0; i < arr.length; i++) {
			if(offer!=arr[i]){
				newarr+=","+arr[i];		
			}	
		}
		newstr=newarr.substring(1);		
		}else{
			if(arr.length==0){
				newstr1=oldValue+','+offer;
				newstr=newstr1.substring(1);
			}else{
				if(oldValue)
					newstr=oldValue+','+offer;
				else
					newstr=offer;
			}
		}
	document.getElementById("selectedOffers").value=newstr;
	return newstr;
	}
}

function printPost() {
  document.print.submit();
}