function HideShow(item)
{
 obj=document.getElementById(item);
 if (obj.style.display=='block')
 {
  obj.style.display='none';
 }
 else
 {
  obj.style.display='block';
 }
}

function menuswitch(item)
{
 obj=document.getElementById(item);
 obj2=obj.previousSibling;
 if (obj.style.display=='block')
 {
  obj.style.display='none';
  obj2.style.backgroundImage="url('/images/icons/warrow.png')";
 }
 else
 {
  obj.style.display='block';
  obj2.style.backgroundImage="url('/images/icons/sarrow.png')";
 }
 
}