function collapse()
	{
	 coll(5);
	}

function menu_coll(id)
	{
	 im = document.getElementById("im_" + id);
	 sp = document.getElementById("sp_" + id);
	 
		 if (sp.style.display == 'none')
		 {
		   im.src = "images/icon-open.gif";
		   sp.style.display = 'block';
		 }
		 else if (sp.style.display == 'block')
		 {
		   im.src = "images/icon-closed.gif";
		   sp.style.display = 'none';
		 }
	}

function exp(id)
	{
	 im = document.getElementById("im_" + id);
	 sp = document.getElementById("sp_" + id);
	 
	 if (!(sp && im)) return false;
	 im.src = "images/icon-closed.gif";
	 sp.style.display = 'block';
	}

function coll(id)
	{
	 im = document.getElementById("im_" + id);
	 sp = document.getElementById("sp_" + id);
	 
	 if (!(sp && im)) return false;
	 im.src = "images/icon-closed.gif";
	 sp.style.display = 'none';
	}