facebookoff = new Image();
facebookoff.src = "/images/facebook_icon.gif";
facebookon = new Image();
facebookon.src = "/images/facebook_icon_over.gif";

twitteroff = new Image();
twitteroff.src = "/images/twitter_icon.gif";
twitteron = new Image();
twitteron.src = "/images/twitter_icon_over.gif";

youtubeoff = new Image();
youtubeoff.src = "/images/youtube_icon.gif";
youtubeon = new Image();
youtubeon.src = "/images/youtube_icon_over.gif";

flickroff = new Image();
flickroff.src = "/images/flickr_icon.gif";
flickron = new Image();
flickron.src = "/images/flickr_icon_over.gif";
///////////////////////////////////////

	   

function imgOn(imgName) 
    {
                document.getElementById(imgName).src = eval(imgName + "on.src");       
    }
    function imgOff(imgName) 
    {
                 document.getElementById(imgName).src = eval(imgName + "off.src");   
    }