var imglist = new Array (
"images/products_on.gif",
"images/services_on.gif",
"images/history_on.gif",
"images/contact_on.gif",
"images/faqs_on.gif",
"images/home_on.gif"
);
var imgs = new Array() ;
var count;
if (document.images)
  for (count=0; count<imglist.length; count++) 
   {imgs [count] = new Image(); imgs [count] .src=imglist [count];}