if(document.images) {
      image1_up=new Image;
      image1_dn=new Image;
      image2_up=new Image;
      image2_dn=new Image;

      image1_up.src="images/but_gecko_up.gif";
      image1_dn.src="images/but_gecko_dn.gif";
      image2_up.src="images/but_gecko2_up.gif";
      image2_dn.src="images/but_gecko2_dn.gif";
      }
      
      function turnOn(ImgName){
         if(document.images){
            document[ImgName].src=eval(ImgName+"_dn.src");
         }
      }
      
      function turnOff(ImgName){
	     if(document.images){
            document[ImgName].src=eval(ImgName+"_up.src");
         }
      }

     function popup() {
        newWindow = window.open('price.htm', '', 'toolbar=no,status=no,scrollbars=yes,resizable=yes,width=380,height=450')
        newWindow.focus()
     }