function removepostage() {
	var params = "action=removepostage"
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}

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 removefromcart2(prodid,qty,tsource,price,vintage) {
	var params = "action=removefromcart2&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) {
	var params = "action=addtocart&qty=1&prodid=" + prodid;
	var ajax = new Ajax.Updater('shoppingcart', 'updates.php', {method: 'post', parameters: params}); 
}

function updatecart2(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}); 
}