if (self.screen)
   {
   width = screen.width
   height = screen.height
   }
else if (self.java)
   {
   var jkit = java.awt.Toolkit.getDefaultToolkit();
   var scrsize = jkit.getScreenSize();
   width = scrsize.width;
   height = scrsize.height;
   }
if(width<1430)
{
 var ct = document.getElementById("img_r");
 var  styles = "display:none";
    if (ct.getAttribute('style'))
        ct.style.cssText = styles;
    else 
        ct.setAttribute('style', styles);
if(width<1280)
{
 var ct = document.getElementById("img1");
      var  styles = "display:none";
  

    if (ct.getAttribute('style'))
        ct.style.cssText = styles;
    else 
        ct.setAttribute('style', styles);
}





if(width==1024)
{
 var  styles = "display:none";
 var ct = document.getElementById("img_r3");
    if (ct.getAttribute('style'))
        ct.style.cssText = styles;
    else 
        ct.setAttribute('style', styles);

 var ct = document.getElementById("img_r2");
    if (ct.getAttribute('style'))
        ct.style.cssText = styles;
    else 
        ct.setAttribute('style', styles);

}
}