/***********************************************
* 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
***********************************************/
	
	var TimeOut         = 300;
	var currentLayer    = null;
	var currentitem     = null;
	var currentLayerNum = 0;
	var noClose         = 0;
	var closeTimer      = null;
	
	function mopen(n) {
	  var l  = document.getElementById("menu"+n);
	  var mm = document.getElementById("mmenu"+n);
		
	  if(l) {
		mcancelclosetime();
		l.style.visibility='visible';
		if(currentLayer && (currentLayerNum != n))
		  currentLayer.style.visibility='hidden';
		currentLayer = l;
		currentitem = mm;
		currentLayerNum = n;			
	  } else if(currentLayer) {
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentitem = null;
		currentLayer = null;
		}
	}
	
	function mclosetime() {
	  closeTimer = window.setTimeout(mclose, TimeOut);
	}
	
	function mcancelclosetime() {
	  if(closeTimer) {
		window.clearTimeout(closeTimer);
		closeTimer = null;
	  }
	}
	
	function mclose() {
	  if(currentLayer && noClose!=1)   {
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentLayer = null;
		currentitem = null;
	  } else {
		noClose = 0;
	  }
	  currentLayer = null;
	  currentitem = null;
	}
	
	document.onclick = mclose;