<!--
     function slide()
     {
          if((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) > 3 ))
          {
          var middle = Math.round(8*window.innerHeight/16);
          var edge = Math.round(13*window.innerWidth/16);
          window.document.block1.top = middle + Math.round(this.pageYOffset);
          window.document.block1.left = edge;
          if (window.innerWidth < 620)
		window.document.block1.visibility =  "hide";
          else
		window.document.block1.visibility = "show";
          }
          else if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
          {
          var middle = Math.round(8*document.body.clientHeight /16);
          var edge = Math.round(13*document.body.clientWidth/16);
	  document.all.block1.style.posTop =  middle + document.body.scrollTop;
          document.all.block1.style.posLeft = edge;
          if (document.body.clientWidth < 620)
              document.all.block1.style.visibility =  "hidden";
          else
              document.all.block1.style.visibility = "visible";
          }
     }
//-->