/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj){
if(document.getElementById){
var el = document.getElementById(obj);
var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
if(el.style.display != "block"){ //DynamicDrive.com change
for (var i=0; i<ar.length; i++){
if (ar[i].className=="submenu") //DynamicDrive.com change
ar[i].style.display = "none";
}
el.style.display = "block";
}else{
el.style.display = "none";
}
}
}

/*=========================内页二级导航，service*/
function w(vd)
{
  var ob=document.getElementById(vd);
  if(ob.style.display=="block" || ob.style.display=="")
  {
     ob.style.display="none";
     var ob2=document.getElementById('s'+vd);
     ob2.style.backgroundImage="url(images/ico080426_open.gif)";
  }
  else
  {
    ob.style.display="block";
    var ob2=document.getElementById('s'+vd);
    ob2.style.backgroundImage="url(images/ico080426_close.gif)";
  }
}
function k(vd)
{
  var ob=document.getElementById(vd);  
  if(ob.style.display=="block")
  {
     ob.style.display="none";
     var ob2=document.getElementById('s'+vd);
     ob2.style.backgroundImage="url(images/ico080426_open.gif)";
  }
  else
  {
    ob.style.display="block";
    var ob2=document.getElementById('s'+vd);
    ob2.style.backgroundImage="url(images/ico080426_close.gif)";
  }
}