function APreloadImg() 
{
if (document.images) 
	{
	var ImgFiles = APreloadImg.arguments;
	var PreloadArray = new Array();
	for (var i=0; i<ImgFiles.length; i++) 
		{
		PreloadArray[i] = new Image;
		PreloadArray[i].src = ImgFiles[i];
		}
	}
}

function ASwapImg() 
{
var i,j=0,objStr,obj,SwapArray=new Array,oldArray=document.ASwapImgData;
for (i=0; i < (ASwapImg.arguments.length-2); i+=3) 
	{
	objStr = ASwapImg.arguments[(navigator.appName == 'Netscape')?i:i+1];
	if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
	(objStr.indexOf('document.all[')   ==0 && document.all   ==null))
	objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
	obj = eval(objStr);
	if (obj != null) 
		{
		SwapArray[j++] = obj;
		SwapArray[j++] = (oldArray==null || 					oldArray[j-1]!=obj)?obj.src:oldArray[j];
		obj.src = ASwapImg.arguments[i+2];
		}
	}
document.ASwapImgData = SwapArray;
//used for restore
}

function AswapImgRestore() 
{
if (document.ASwapImgData != null)
for (var i=0; i<(document.ASwapImgData.length-1); i+=2)
document.ASwapImgData[i].src = document.ASwapImgData[i+1];
}