怎么才能让onMouseOver事件失效
   怎么才能让onMouseOver事件失效   
------解决方案--------------------onMouseOver= "doSomething() "   
 doSemething(){ 
   if (invalidation){ 
     return; 
   } 
   ... 
 }
------解决方案--------------------不写这个属性不就行了? 
------解决方案--------------------做个页面级变量,控制一下 
 onMouseOver= "return ove() "; 
  <script language= "javascript ">  
 vat kz= "0 "; 
 function ove(){ 
    if(!kz.equals( "0 ")){ 
         return ; 
    } 
    这里写你要写的代码; 
    kz= "1 "; 
 } 
  </script>