function openwindow(url,w,h)
{

  var winwidth = screen.availWidth;
  var winheight = screen.availHeight;
  var leftt=Math.floor((winwidth/2)-(w/2));
  var topt=Math.floor((winheight/2)-(h/2));
  window.open(url,'popup','left='+leftt+',top='+topt+',width='+w+', height='+h+', toolbar=0,  location=0, directories=0,status=0, titlebar=0, menubar=0, resizable=1, scrollbars=1')
};

//Script created by Jim Young (www.requestcode.com)
//Submitted to JavaScript Kit (http://javascriptkit.com)
//Visit http://javascriptkit.com for this script

//Set the tool tip message you want for each link here.
           
     function showtip(current,e,text)
        {
         if (document.layers) // Netscape 4.0+
            {
             theString="<DIV CLASS='ttip'>"+text+"</DIV>"
             document.tooltip.document.write(theString)
             document.tooltip.document.close()
             document.tooltip.left=e.pageX+14
             document.tooltip.top=e.pageY+2
             document.tooltip.visibility="show"
            }
         else
           {
            if(document.getElementById) // Netscape 6.0+ and Internet Explorer 5.0+
              {
               elm=document.getElementById("tooltip")
               elml=current
               elm.innerHTML=text
               elm.style.height=elml.style.height
               elm.style.top=parseInt(elml.offsetTop+elml.offsetHeight)
               elm.style.left=parseInt(elml.offsetLeft+elml.offsetWidth+10)
               elm.style.visibility = "visible"
              }
           }
        }
function hidetip(){
if (document.layers) // Netscape 4.0+
   {
    document.tooltip.visibility="hidden"
   }
else
  {
   if(document.getElementById) // Netscape 6.0+ and Internet Explorer 5.0+
     {
      elm.style.visibility="hidden"
     }
  } 
}