function AlreadyClick()
{   
    var DivNoShow;
    DivNoShow=document.getElementById("NoShow");
    DivNoShow.style.display = "block";      
    var x = 0; 
    var y = 0; 
    var st=document.documentElement.scrollTop;
    var cw=document.documentElement.clientWidth;
    var y = st + y;
    DivNoShow.style.top = y+"px";
    DivNoShow.style.left = x+"px";
}