var loadingDialog;

function InitLoading()
{
        loadingDialog = new YAHOO.widget.Panel("loadingElement", 
						    { width:"240px", 
						      fixedcenter:true, 
						      underlay:"shadow", 
						      close:false, 
						      draggable:false, 
						      modal:true
						      } 
						     );
							    
        loadingDialog.render();
        loadingDialog.hide();
}

function ShowWaitElement(bVal)
{        
    if(loadingDialog == null)
        return;
        
    if(bVal)
    {
        loadingDialog.show();
    }
    else
    {
        loadingDialog.hide();
    }
}