function popupMaster(sURL, iWidth, iHeight) { 
	posLeft = (screen.width - iWidth)/2; posTop = (screen.height - iHeight)/2; 
	hPopup = window.open(sURL, 'EDIT'+Math.round(Math.random() * 10000), 'left='+posLeft+',top='+posTop+',width=' + iWidth + ',height=' + iHeight + ',resizable=no,scrollbars=0,status=1'); 
	/* hPopup.moveTo((screen.width - iWidth)/2, (screen.height - iHeight)/2);*/ 
	hPopup.focus(); 
}