function openWin(w,h,fileUrl) {
	var scrLeft=(screen.width-w)/2;
	var scrTop=(screen.height-h)/2;
	var param = 'top='+scrTop+',left='+scrLeft+',toolbar=0,location=0,status=0,menubar=0,resizable=1, scrollbars=1,width='+w+',height='+h+''
	window.open(fileUrl,"",param);
}