function preload() 
	{
		var args = preload.arguments;
		for (var x = 0; x < args.length; x += 2)
		{
			eval(args[x]+' = new Image()');
			eval(args[x]+'.src = "'+args[x+1]+'"');
		}
	}

	function swap(id,name){
	   if (document.images){
	       document.images[id].src=eval(name+".src");
	   }
	}