// Get Page Dimension
<!-- 
  
 var viewportwidth; 
 var viewportheight; 
   
 // the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight 
   
 if (typeof window.innerWidth != 'undefined') 
 { 
      viewportwidth = window.innerWidth, 
      viewportheight = window.innerHeight 
 } 
   
// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document) 
  
 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth != 
     'undefined' && document.documentElement.clientWidth != 0) 
 { 
       viewportwidth = document.documentElement.clientWidth, 
       viewportheight = document.documentElement.clientHeight 
 } 
   
 // older versions of IE 
   
 else
 { 
       viewportwidth = document.getElementsByTagName('body')[0].clientWidth, 
       viewportheight = document.getElementsByTagName('body')[0].clientHeight 
 }
 
 document.styleSheets.footer="position:fixed; z-index:1;"
 
//document.write('<p>Your viewport width is '+viewportwidth+'x'+viewportheight+'</p>'); 
//-->