var WindowObjectReference = null; // global variable
		
				function openRequestedPopup(strUrl, strWindowName)
 				{
  					if(WindowObjectReference == null || WindowObjectReference.closed)
  					{
    					WindowObjectReference = window.open(strUrl, strWindowName, "width=850, height=752, resizable=yes,scrollbars=yes,status=yes");
        			}
  					else
  					{
    					WindowObjectReference.focus();
  					};
 				}

 				function getNewWindow(strUrl, strWindowName)
 				{
					return window.open(strUrl, strWindowName, "width=850, height=752, resizable=yes,scrollbars=yes,status=yes"); 				
 				}