var preloadFlag = false;
function preloadImages()
{
	if (document.images)	
	{
		temp = newImage("~/Images/gl.gif");
		temp = newImage("~/Images/gg.gif");
		temp = newImage("~/Images/gr.gif");
		temp = newImage("~/Images/ggl.gif");
		preloadFlag = true;
	}
}

function newImage(arg) {
	if (document.images)	
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var storedImages = new Array();

function changeImages()
{
	if (document.images && (preloadFlag == true))	
	{
		for (var i=0; i<changeImages.arguments.length; i+=2)		{
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function storeImages()
{
	for (i=0;i<storeImages.arguments.length;i++)	
	{
		storedImages[i]=new Image();
		storedImages[i].src=storeImages.arguments[i];
		preloadFlag = true;
	}
}