// open pdf document
window.onload = function(){
	var anchor = document.getElementById("pdf");
	if(anchor){
		anchor.onclick = function(){
			MyWindow=window.open(anchor.href,'MyWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=640,height=480');
			return false;
		}
	}
	
	var cartForm = document.getElementById("cartForm");
	if(cartForm){
		cartForm.onsubmit = saveCart;
	}
}

// process shopping cart
function saveCart(){
	//var dest = location.host + "?action=saveCart&";
	var dest = "cart.htm?action=saveCart&";
	var inputs = document.getElementsByTagName("INPUT");
	
	var count = 0;
	for(var i = 0; i < inputs.length; i++){
		if(inputs[i].className === "quantity"){
			dest += "ref" + count + "=" + inputs[i].id + "&quantity" + count + "=" + inputs[i].value + "&"; 
			++count;
		}
	}
	dest = dest.substring(0, dest.length - 1);
	
	console.log(dest);
	location = dest;
	return false;
		
}