function fetchPriceList(keys){
	
var ajaxObject = false;

	try{
		// Opera 8.0+, Firefox, Safari
		ajaxObject = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxObject = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxObject = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser is broken, please try another to view this page!");
				return false;
			}
		}
	}

if(ajaxObject){
	    var r = true;
          var target = document.getElementById('target_price_list');
	
	if(r == true){
		ajaxObject.open("GET","fetchPriceList.php?vars="+keys,true);
		
	ajaxObject.onreadystatechange = function(){
		
		if(ajaxObject.readyState ==4 && ajaxObject.status==200){
			
			var response = ajaxObject.responseText;
			target.innerHTML=response;
		}
	}
	ajaxObject.send(null);
	}
}

return false;
}

function setCustomerChoice(values){
	
var ajaxObject = false;

	try{
		// Opera 8.0+, Firefox, Safari
		ajaxObject = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxObject = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxObject = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser is broken, please try another to view this page!");
				return false;
			}
		}
	}

if(ajaxObject){
	
          var r = true;
          var  target= document.getElementById('cust_sub_total');
       var form_state = document.getElementById('form_state').value;

	
	if(r == true){
		ajaxObject.open("GET","update_sub_total.php?vars="+values,true);
		

	ajaxObject.onreadystatechange = function(){
		
		if(ajaxObject.readyState ==4 && ajaxObject.status==200){
			
			var response = ajaxObject.responseText;
			target.innerHTML=response;
			document.getElementById('form_state').value =1;
		}
	}
	ajaxObject.send(null);
	}
}

return false;
}

function checkSelection(){
	r = true;
	var form_state = document.getElementById('form_state').value;
	if(form_state ==0){
		alert("Please choose a quantity");
		r = false;
	}
	
	return r;
	
}