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";
				}
			}
			getEls[i].onmouseover=function() {
				this.className+=" hover";
			}
			getEls[i].onmouseout=function() {
				this.className=this.className.replace("hover", "");
			}
		}
	}


	if (window.attachEvent)
		window.attachEvent( "onload", clickMenu3 );
	else
		window.addEventListener( "load", clickMenu3, false);


	function clickMenu3() {
		var vMainDiv = document.getElementById("main_div");
		var vLeftSide = document.getElementById("left_side");
		var iMenuWidth = 146;
		var iMainDWidth = parseInt(vMainDiv.style.width);
		if (iMainDWidth > 0) {
			vLeftSide.style.width = iMainDWidth - iMenuWidth + 'px';
		} else {
			vLeftSide.style.width = '700px';
		}

		clickMenu('menu');
	}