function setbg(x)
	{
	document.getElementById('bg').style.backgroundImage='url(images/backgrounds/'+x+')';

  	}
	function swapImage(x,y) 
	{ 
	document.getElementById(eval("x")).src = "images/thumbnails/"+y;
	}
	function swapImageRestore(x) 
	{
	document.getElementById(eval("x")).src = "images/transparent.gif";
	}