function catroll(c,e){
	if(e==1){
		eval("document.cat_top" + c).src = "_images/catroll_top" + c + ".gif";
		eval("document.cat_bottom" + c).src = "_images/catroll_bottom" + c + ".gif";
	}
	else{
		eval("document.cat_top" + c).src = "_images/spacer.gif";
		eval("document.cat_bottom" + c).src = "_images/spacer.gif";
	}
}
	
function preloadimg(){
	var d=document; 
	if(d.images){ 
		if(!d.theimgs) d.theimgs=new Array();
		var i,j=d.theimgs.length,a=preloadimg.arguments; 
		for(i=0; i<a.length; i++){
			if(a[i].indexOf("#")!=0){ 
				d.theimgs[j]=new Image; 
				d.theimgs[j++].src= "_images/" + a[i];
			}
		}
	}
}