Normal1 = new Image(); 
     Normal1.src="graphics/art_top.gif"; 
     Highlight1 = new Image(); 
     Highlight1.src = "graphics/art_r_top.gif";
    
     Normal2 = new Image(); 
     Normal2.src="graphics/words_top.gif"; 
     Highlight2 = new Image(); 
     Highlight2.src = "graphics/words_r_top.gif";
     
     Normal3 = new Image(); 
     Normal3.src="graphics/sites_top.gif"; 
     Highlight3 = new Image(); 
     Highlight3.src = "graphics/sites_r_top.gif";
     
     Normal4 = new Image(); 
     Normal4.src="graphics/contact_top.gif";

     Normal5 = new Image(); 
     Normal5.src="graphics/gray.gif"; 
     Highlight5 = new Image(); 
     Highlight5.src = "graphics/gray_full.gif";     
    
     function Rollover(Imgno,Imgob)
     {
      window.document.images[Imgno].src = Imgob.src;
     }
         
     function Openwin(page)
     {
      OpenWin = this.open(page, "CtrlWindow", "height=404,width=708,scrollbars=0,resize=0,toolbar=0,menubar=0,location=0,directories=0,statusbar=0");
     }