window.onload = function()
      {
fbtop = document.getElementById("facebook-top");
litop = document.getElementById("linkedin-top");
twtop = document.getElementById("twitter-top");
fbtop.onmouseover = fbMouseOverHandler;
fbtop.onmouseout = fbMouseOutHandler;
litop.onmouseover = liMouseOverHandler;
litop.onmouseout = liMouseOutHandler;
twtop.onmouseover = twMouseOverHandler;
twtop.onmouseout = twMouseOutHandler;
       };

   function txtFocusHandler(e)
   {
      e= e||window.event;
      var trgSrc = e.target||e.srcElement;
      trgSrc.style.backgroundColor = "gainsboro";
   }

   function txtBlurHandler(e)
   {
      this.style.backgroundColor = "white";
   }

   function fbMouseOverHandler()
   {
		var tmp = document.getElementById("facebook-top").firstChild;
		tmp.src='/images/facebook_hover.png';
		document.getElementById('pop-Facebook').style.display='block';
   }

   function fbMouseOutHandler(e)
   {
		var tmp = document.getElementById("facebook-top").firstChild;
		tmp.src='/images/facebook.png';
		document.getElementById('pop-Facebook').style.display='none';
   }

   function liMouseOverHandler()
   {
		var tmp = document.getElementById("linkedin-top").firstChild;
		tmp.src='/images/linkedin_hover.png';
		document.getElementById('pop-Linkedin').style.display='block';
   }

   function liMouseOutHandler(e)
   {
		var tmp = document.getElementById("linkedin-top").firstChild;
		tmp.src='/images/linkedin.png';
		document.getElementById('pop-Linkedin').style.display='none';
   }
   
   function twMouseOverHandler()
   {
		var tmp = document.getElementById("twitter-top").firstChild;
		tmp.src='/images/twitter_hover.png';
		document.getElementById('pop-Twitter').style.display='block';
   }

   function twMouseOutHandler(e)
   {
		var tmp = document.getElementById("twitter-top").firstChild;
		tmp.src='/images/twitter.png';
		document.getElementById('pop-Twitter').style.display='none';
   }