function checkAll(listForm, itemAll, items)
{
	var checkAll = document.listForm.itemAll.checked;
	var length = document.listForm.items.length;			
	var i=0;
	if(document.listForm.items!=null)
	{
		if(length>1)
		{
		while(i<length)
		{						
	   	document.listForm.items[i].checked = checkAll;
	 	 i++;		
		}
		}else
		{
		document.listForm.items.checked = checkAll;	
		}
	}
}
function openWindow(url, name, width, height) {	
  	var screenWidth = parseInt(screen.width);
    var screenHeight = parseInt(screen.height);	  
    var winParams = "width=" + width + ",height=" + height;
    winParams += ",left="+(screenWidth-width)/2+",top="+(screenHeight-height)/2+",resizable=yes,status=no,toolbar=no,menubar=no,location=no,center=yes,scrollbars=auto";	
    winName = window.open(url, "", winParams);
    winName.focus();	
}