// JScript File    
    function swap_img(Tname,overbool) 
    {
        if (overbool) {
            document.getElementById(Tname+"O").style.display="inline";
            document.getElementById(Tname+"D").style.display="none";
            }
        else {   
            document.getElementById(Tname+"O").style.display="none";
            document.getElementById(Tname+"D").style.display="inline";
            }            
    }