if (document.images) {
	img_on = new Image();
	img_off = new Image();
}

function mouseOn(k) {
 if (document.images) {
  	eval('img_on.src="images/'+k+'ON.gif"');
	eval('document.img'+k+'.src=img_on.src');
	}
}

function mouseOff(k) {
 if (document.images) {
	eval('img_off.src="images/'+k+'.gif"');
	eval('document.img'+k+'.src=img_off.src');
	}
}

function popup(mylink, windowname, mywidth, myheight)
{
if (! window.focus)return true;
var href;
var params;
params = eval('"width='+mywidth+',height='+myheight+',screenX=15,left=15,screenY=0,top=0,status=yes"');
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
 mywindow = window.open(href, windowname, params);
 mywindow.resizeTo(mywidth,myheight);
 
return false;
}