function setCopy(){   
	var _sTxt = 'http://job.aliued.com';
	if(navigator.userAgent.toLowerCase().indexOf('ie') > -1) { 
	window.clipboardData.clearData();
	window.clipboardData.setData('Text',_sTxt);
	alert ('网址“'+_sTxt+'” 已经复制到您的剪切板中。');
	} else {     
		 prompt('请复制网站地址:',_sTxt);    
}}