function ajaxConnect() {
	var xmlHttp;
	try {
		xmlHttp=new XMLHttpRequest();
	}
	catch (e){
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	return xmlHttp;
}

function changeBasketQuantity(id) {
	var quantity = document.getElementById("quantity_"+id).value;
	var ajaxconnection = ajaxConnect();
	ajaxconnection.onreadystatechange=function(){
		if(ajaxconnection.readyState == 4) {
			window.location.href = "index.php?section=basket&action=view";
		}
	}
	ajaxconnection.open("GET","index.php?script=true&command=changeQuantity&id="+id+"&quantity="+quantity,true);
	ajaxconnection.send(null);
}

function digitOnly(e)
{
	var keynum;
	var keychar;
	var numcheck;
	if(window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which;
	}
	if(keynum == "8" || keynum == "9" || keynum == "13" || keynum == "46")
		return true;
	keychar = String.fromCharCode(keynum);
	numcheck = /\d/;
	return numcheck.test(keychar);
}