var images=Array();
  images['menu1']=Array();
  images['menu2']=Array();
  images['menu3']=Array();
  images['menu4']=Array();
  images['menu5']=Array();
  images['menu6']=Array();

function showHideMenu(menu, mode) {

	if (menu)
	{
		if (mode==1)
		{
			menu.className='submenu active_item';
		}
			else
		{
			menu.className='submenu';
		}

		return true;
	}

	return false;
}//

function change_button (obj)
{

  if (obj.className=='menu_link_active')
  {
	obj.className='menu_link';
	obj.style.background='url("images/'+images[obj.id]['simple']+'")';
  }
   else
  {
	obj.className='menu_link_active';
	obj.style.background='url("images/'+images[obj.id]['hover']+'")';
  }

}

function initialize_images (active_button)
{

	for(var index in images)
	{

	  if (!images.hasOwnProperty(index))
	  {
	   continue;
	  }

	  images[index]['simple']=index+'_s.png';
	  images[index]['hover']=index+'_a.png';
	  images[index]['active']=index+'_a.png';

	  if (index==active_button)
	  {
		document.getElementById(index).style.background='url("images/'+images[index]['active']+'")';
	  }
	   else
	  {
		document.getElementById(index).style.background='url("images/'+images[index]['simple']+'")';

	  }
	}


}