js.js

use eclipse+js platform impement tree menu

    
  function   change(){   
        if(!document.all)   
              return   
        if   (event.srcElement.id=="foldheader")   {   
              var   srcIndex   =   event.srcElement.sourceIndex   
              var   nested   =   document.all[srcIndex+1]   
              if   (nested.style.display=="none")   {   
                    nested.style.display=''   
                    event.srcElement.style.listStyleImage="url(M2.gif)"   
              }   
              else   {   
                    nested.style.display="none"   
                    event.srcElement.style.listStyleImage="url(P0.gif)"   
              }   
        }   
  }   
    
  document.onclick=change