隐藏表单域

function openquery(obj)
{            
            if  (document.all.querytj.style.display == ' block ' )
           {
                  obj.src = ' ../image/hidedown.gif ' ; 
                  document.all.querytj.style.display = ' none ' ;
           }
            else
           {
                 obj.src = ' ../image/hideup.gif ' ;
                 document.all.querytj.style.display = ' block ' ;
           }
}

 

 

< img src = " ../image/hideup.gif "  align = " bottom "  border = " 0 "  alt = " 隐藏 "  onClick = " openquery(this) "   />

 

 

< div id = " querytj " >


</ div >