var selects;
var IsWaiting = false;

function DelayedLoading()
{
IsWaiting = true;
selects = document.getElementsByTagName("SELECT");
setTimeout("Loading()", 500); 
/*return false;*/
}

function ReloadImg()
{
    if (IsWaiting)
    {
        Loading();
    }
}

function Loading()
{
		window.scrollTo(0,0);
    var cOverlay = document.getElementById('overlay');
    var cLoadingMessage = document.getElementById('loadingmessage');
    var cWait    = document.getElementById('wait');

    if (cWait != null)
    {
       if (selects && selects.length > 0)
       {   
           for (i=0; i < selects.length; i++)
           {
               selects[i].style.visibility = "hidden";
           }
       }            

       // Disable the scrolling
       document.body.style.overflowX = "hidden";
       document.body.style.overflowY = "hidden";

       cOverlay.style.top    = 0
       cOverlay.style.width  = document.body.scrollWidth;
       cOverlay.style.height = document.body.scrollHeight;
       cWait.style.display   = "block";
    }
}