/* This script and many more are available free online at
		The JavaScript Source!! http://javascript.internet.com
		Created by: Konstantin Jagello | http://javascript-array.com/ */
		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;