function exitopen(){
	var reg = new RegExp("(^|&)sid=([^&]*)(&|$)");
	var r = window.location.search.substr(1).match(reg);
	if(r != null) {
		if(134 == r[2]) return false;
	}
	window.open ('http://www.78.cn/return.htm', 'exitopen', 'width= 1024,height= 768,toolbar=yes, menubar=yes, scrollbars=yes, resizable=yes,location=yes, status=yes')	
}