function updatecheckout(f) {
	var params = "action=updatecheckout";
    for(i=0;i<f.elements.length;i++) {
   	   e = f.elements[i]
	   params += "&" + e.name + "=" + e.value 
	   e.value=""     	
    }		
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}
function removefromcart(prodid,qty,tsource,price,vintage) {
	var params = "action=removefromcart&prodid=" + prodid + "&qty=" + qty + "&tsource=" + tsource + "&price=" + price + "&vintage=" + vintage;
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}

function updatecartfromdetails(cat,subid,prodid,qty,tsource,price,vintage) {
	var params = "action=addtocart&cat=" + cat + "&sub=" + subid + "&prodid=" + prodid + "&qty=1&tsource=" + tsource + "&price=" + price + "&vintage=" + vintage;
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}
function updatecart(prodid,f) {
	var params = "action=addtocart&prodid=" + prodid;
    for(i=0;i<f.elements.length;i++) {
   	   e = f.elements[i]
	   params += "&" + e.name + "=" + e.value 
	   e.value=""     	
    }	
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}
function updatetemplatecart(prodid,f) {
	var params = "action=addtotemplatecart&prodid=" + prodid;
    for(i=0;i<f.elements.length;i++) {
   	   e = f.elements[i]
	   params += "&" + e.name + "=" + e.value 
	   e.value=""     	
    }	
	var ajax = new Ajax.Updater('templatecart', 'updates.php', {method: 'post', parameters: params}); 
}
function updatetemplatecheckout(f) {
	var params = "action=updatetemplatecheckout";
    for(i=0;i<f.elements.length;i++) {
   	   e = f.elements[i]
	   params += "&" + e.name + "=" + e.value 
	   e.value=""     	
    }		
	var ajax = new Ajax.Updater('templatecart', 'updates.php', {method: 'post', parameters: params}); 
}
function removefromtemplatecart(prodid,qty,tsource,price,vintage) {
	var params = "action=removefromtemplatecart&prodid=" + prodid + "&qty=" + qty + "&tsource=" + tsource + "&price=" + price + "&vintage=" + vintage;
	var ajax = new Ajax.Updater('templatecart', 'updates.php', {method: 'post', parameters: params}); 
}