clickMenu = function(gallery) 
	{
	var getImg = document.getElementById(gallery).getElementsByTagName("IMG");
	var getLi = document.getElementById(gallery).getElementsByTagName("LI");




		for (var i=0; i<getLi.length; i++) {
			getLi[i].onclick=function() {
				for (var x=0; x<getLi.length; x++) {
					if ((getLi[x].className.indexOf('chosen'))!=-1)	{
						getLi[x].className=getLi[x].className.replace("chosen", "");
					}
				}
			this.className+=" chosen";		
			}
		}
	}