function ShowToolTip(con)
{
    document.getElementById("div_img").style.visibility = "visible";        
    document.getElementById("img_tool").src = con;      
    document.getElementById("img_tool").target="contentframe";
    document.getElementById("div_img").style.left = event.clientX + 25;       
    document.getElementById("div_img").style.top = event.clientY + 15;
    document.getElementById("div_img").style.zIndex = 0;
    document.getElementById("div_img").target="contentframe"; 
} 

function HideToolTip() 
{
    document.getElementById("div_img").style.visibility = "hidden"; 
}

function Call(arg)
{
    ShowToolTip(arg);
}