clickMenu = function(menu){
  var getEls = document.getElementById(menu).getElementsByTagName("LI");
  var getAgn = getEls;
  for (var i=0; i<getEls.length; i++) {
    getEls[i].onclick=function() {
      for (var x=0; x<getAgn.length; x++) {
        getAgn[x].className=getAgn[x].className.replace("unclick", "");
				getAgn[x].className=getAgn[x].className.replace("click", "unclick");
			}
      if ((this.className.indexOf('unclick'))!=-1) {
        this.className=this.className.replace("unclick", "");;
			}else {
        this.className+=" click";
      }
    }
  }
}