function addtocart(title,quantity,clipnum,price,quick) 
{		
				 //alert('adding to cart.....');
				 if (quantity == "") {
				 		alert('Please enter a value for the quantity');
				}

				else if (isNaN(quantity)=="true") {
				 		alert('Please enter a valid number for the quantity');				
				}

				 else {
				 			addtocart="&t=" + title + "&q=" + quantity + "&c=" + clipnum + "&p=" + price;

if (quick == 1){		
opener.location='index.php?page=displaycart&cremove=' + title + '&do=additem' + addtocart;
window.close();
		 			
}else{
self.location='index.php?page=displaycart&cremove=' + title + '&do=additem' + addtocart;
}
					}		

}

function removecart(cartunid) 
{

				var addtocart="cartunid=" + cartunid + "&quantity=0";
				self.location='index.php?page=displaycart&do=updateitem&' + addtocart;
}

function changelicense(changeval,cartunid, format) 
{

        var urlredir = "index.php?page=displaycart&do=changeprice&clip=" + cartunid + "&price=" + changeval + "&format=" + format;
        self.location=urlredir;
}

function changeformat(changeval,cartunid, price) 
{
        var urlredir = "index.php?page=displaycart&do=changeformat&clip=" + cartunid + "&format=" + changeval + "&price=" + price;
        self.location=urlredir;
}

function changedelivery(changeval) 
{
				var urlredir = "index.php?page=displaycart&do=changedelivery&delivery=" + changeval;
        self.location=urlredir;
}

function changecustref(changeval) 
{
				var urlredir = "index.php?page=displaycart&do=changecustref&custref=" + changeval;
        self.location=urlredir;
}

function submitAddress(newaddress)
{
 				var urlredir = "index.php?page=displaycart&do=changeaddress&addr=" + newaddress;
        self.location=urlredir;
}

function changeAddress(changeval)
{
				var urlredir = "index.php?page=displaycart&do=updateaddress&addr=" + changeval;
        self.location=urlredir;
}