var tipX=-150,tipY=0;
      var estilo,x,y;
      var masX=-1000,masY=-1000;
      

      if(document.layers)
      {
          document.captureEvents(Event.MOUSEMOVE);
      }
          
      document.onmousemove=capturaRaton;
      

      function muestraTip(msg)
      {
          var cadena="<span class='contenido'><table  width=150 border=0 cellpadding=2 cellspacing=0>"+
          "<tr><td class='tdtip'>"+msg+"</td></tr></table></span>";
     

          masX=tipX;
          masY=tipY;
          

          if(document.layers)
          {
              document.tip.document.write(cadena);
              document.tip.document.close();
              document.tip.visibility="visible"
          }


          if(document.all)
          {
              document.all("tip").innerHTML=cadena;
              document.all("tip").style.visibility="visible"
          }
          if(document.getElementById)
          {
              document.getElementById("tip").innerHTML=cadena;
              document.getElementById("tip").style.visibility="visible"
          }
      }
      

      function capturaRaton(e)
      {
          if(document.all)
          {
              x=event.x+document.body.scrollLeft;
              y=event.y+document.body.scrollTop;
              document.all("tip").style.left=x+masX;			 
              document.all("tip").style.top=y+masY;
          }
          else if(document.layers)
          {
              x=e.pageX;
              y=e.pageY;
              document.layers['tip'].left=x+masX;
              document.layers['tip'].top=y+masY;
          }
          else if(document.getElementById)
          {
              x=e.clientX;
              y=e.clientY;
              window.status=x;          
              document.getElementById("tip").style.left=x+masX;
              document.getElementById("tip").style.top=y+masY;
          }
      }
      


      function ocultaTip()
      {
          masY=-1000;
          masX=-1000;
          if(document.all)
              document.all("tip").style.visibility="hidden";
          else if(document.layers)
              document.layers["tip"].visibility="hide";
          else if(document.getElementById)
              document.getElementById("tip").style.visibility="hidden";
      }