function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"block\";");
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
}
}
function op(k)
{
   for (i=0;i<=k;i++){
   whichEl = eval("submenu" + i)
   if (whichEl.style.display=="none") whichEl.style.display="block"}
   }
function cl(k)
{
   for (i=0;i<=k;i++){
   whichEl = eval("submenu" + i)
   if (whichEl.style.display=="block") whichEl.style.display="none"}
   }

function oa_tool(){
if(window.parent.frame.cols=="2,18,*"){
//frameshow.src="up.gif";
oa_tree.title="显示工具栏"
window.parent.frame.cols="175,18,*";
}
else{
//frameshow.src="up.gif";
oa_tree.title="隐藏工具栏"
window.parent.frame.cols="0,18,*";}
}