//菜单
var menuOffX=0 //菜单距连接文字最左端距离
var menuOffY=20 //菜单距连接文字顶端距离
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
function showmenu(e,vmenu,mod){
 which=vmenu
 menuobj=document.getElementById("popmenu")
 menuobj.thestyle=menuobj.style
 menuobj.innerHTML=which
 menuobj.contentwidth=menuobj.offsetWidth
 eventX=e.clientX
 eventY=e.clientY
 var rightedge=document.body.clientWidth-eventX
 var bottomedge=document.body.clientHeight-eventY
  if (rightedge<menuobj.contentwidth)
   menuobj.thestyle.left=document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX
  else
   menuobj.thestyle.left=ie4? ie_x(event.srcElement)+menuOffX : ns6? window.pageXOffset+eventX : eventX
  if (bottomedge<menuobj.contentheight&&mod!=0)
   menuobj.thestyle.top=document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23
  else
   menuobj.thestyle.top=ie4? ie_y(event.srcElement)+menuOffY : ns6? window.pageYOffset+eventY+10 : eventY
 menuobj.thestyle.visibility="visible"
}
function ie_y(e){  
 var t=e.offsetTop;  
 while(e=e.offsetParent){  
  t+=e.offsetTop;  
 }  
 return t;  
}  
function ie_x(e){  
 var l=e.offsetLeft;  
 while(e=e.offsetParent){  
  l+=e.offsetLeft;  
 }  
 return l;  
}
function highlightmenu(e,state){
 if (document.all)
  source_el=event.srcElement
  while(source_el.id!="popmenu"){
   source_el=document.getElementById? source_el.parentNode : source_el.parentElement
   if (source_el.className=="menuitems"){
    source_el.id=(state=="on")? "mouseoverstyle" : ""
  }
 }
}
function hidemenu(){if (window.menuobj)menuobj.thestyle.visibility="hidden"}
function dynamichide(e){if ((ie4||ns6)&&!menuobj.contains(e.toElement))hidemenu()}
document.onclick=hidemenu
document.write("<div class=menuskin id=popmenu onmouseover=highlightmenu(event,'on') onmouseout=highlightmenu(event,'off');dynamichide(event)></div>")
//菜单END