<!--     
window.onbeforeunload = function() //author: meizz    
       {    
              var n = window.event.screenX - window.screenLeft;    
              var b = n > document.documentElement.scrollWidth-20;    
              if(b && window.event.clientY < 0 || window.event.altKey)    
              {    
                   //  alert("是关闭而非刷新");  
                     window.location.href="/CMS/systemUser_yxy.do?method=exit";  
                      window.onbeforeunload = onbeforeunload_handler;   
					    window.onunload = onunload_handler;   
					    function onbeforeunload_handler(){   
					        var warning="确认退出?";           
					        return warning;   
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					    function onunload_handler(){   
					        var warning="谢谢光临";   
				  //	        alert(warning);   
					    }   
   
              }    
       }  
     
    
// -->