var loaded=false;
function preload()
{
	if (document.images)
	{
	var imgsrc = preload.arguments;
	arr = new Array(imgsrc.length);
	for (var j=0; j<imgsrc.length; j++)
		{
		arr[j] = new Image();
		arr[j].src = imgsrc[j];
		}
	}
	loaded=true;
}

window.onload = function()
{	
	preload('/img/order_now.png','/img/order_now_h.png');
}

function imgOrderNowOver(imgId) {
	if(document.images)
	{   if (loaded) {
			document.images[imgId].src = arr[1].src;					
		}
		else {
			document.images[imgId].src = '/img/order_now_h.png';	
		}
	}				
}

function imgOrderNowOut(imgId) {
	if(document.images)
	{    
		if (loaded) {
			document.images[imgId].src = arr[0].src;	
		}
		else {
			document.images[imgId].src = '/img/order_now.png';
		}
	}					
}



// cart processing

function refreshCart(){
  $.get("/cart/refresh/", function(data) {
    $("#cart").html(data);
  });
}

function updateCart(id, actionKey){
	$("#CartId").val(id);
	$("#CartKey").val(actionKey);
	var str = $("#updateForm").serialize();
  	$.post("/cart/update/", str, function(data) {
    $("#cart").html(data);
  });
}

function getShow4Venue(venueId){
	var url = '/places/venue:'+venueId+'/action:ue/events:update/';
	$('events').hide();
	$('processing').show();
	new Ajax.Request(url, {
  		method: 'get',
		onSuccess:
			function(transport) {
					if(transport.responseText != 'none'){
		  				var response = transport.responseText;
		  				$('events').value = '';
		  				$('events').update(response);
		  				$('processing').hide();
		  				$('events').show();  				
		  			}
  			}
	});
	
	return false;
}