var flyover_timer
var store_flyover

function parse_shopping_list(){
	var prods = "", qty = "", form = document.forms[0], url, i;	
	for(i=0; i<form.elements.length; i++){
		if(form.elements[i].type == "text" && (form.elements[i].value && form.elements[i].value != "0")){
			if(prods){prods += ",";qty += ","}
			prods += form.elements[i].name;
			qty += form.elements[i].value;
		}
	}
	if(prods){
		url = form.action + "?PRODS=" + prods + "&QTY=" + qty;
		location.href=url;
	}
	else{
		alert("Please specify a minimum quantity of 1 unit for at least one of the products.")
	}
}

function toggle_flyover(showhide) {
	//showhide = visible | hidden
	clearTimeout(flyover_timer)
	if (document.getElementById) {
		store_flyover = document.getElementById("store_flyover").style;
		store_flyover.visibility = showhide;  //store_flyover.display ? "none" : "block";
	}
	else if (document.all) {
		store_flyover = document.all["store_flyover"].style;
		store_flyover.visibility = showhide;  //store_flyover.display ? "none" : "block";
		}
	else if (document.layers) {
		store_flyover = document.layers["store_flyover"].style;
		store_flyover.visibility = showhide;  //store_flyover.display ? "none" : "block";
		}
	}

function hide_flyover() {
	flyover_timer = setTimeout("toggle_flyover('hidden');", 1000);
}