// JavaScript Document
function Menu_1(vd)
{
  var ob=document.getElementById(vd);
  if(ob.style.display=="block" || ob.style.display=="")
  {
     ob.style.display="none";
     var ob2=document.getElementById('class_'+vd);
     ob2.style.backgroundImage="url(/images/button_1.gif)";
  }
  else
  {
    ob.style.display="block";
    var ob2=document.getElementById('class_'+vd);
    ob2.style.backgroundImage="url(/images/button_1_1.gif)";
  }
}
function Menu_2(vd)
{
  var ob=document.getElementById(vd);  
  if(ob.style.display=="block")
  {
     ob.style.display="none";
     var ob2=document.getElementById('class_'+vd);
     ob2.style.backgroundImage="url(/images/button_2.gif)";
  }
  else
  {
    ob.style.display="block";
    var ob2=document.getElementById('class_'+vd);
    ob2.style.backgroundImage="url(/images/button_2_1.gif)";
  }
}