function jsHover() {
		var hEls1 = document.getElementById("menu_1").getElementsByTagName("LI");
		var hEls2 = document.getElementById("menu_2").getElementsByTagName("LI");
		var hEls3 = document.getElementById("menu_3").getElementsByTagName("LI");
		var hEls4 = document.getElementById("menu_4").getElementsByTagName("LI");
		for (var i=0, len=hEls1.length; i<len; i++) {
			hEls1[i].onmouseover=function() { this.className+=" jshover"; }
			hEls1[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
		for (var i=0, len=hEls2.length; i<len; i++) {
			hEls2[i].onmouseover=function() { this.className+=" jshover"; }
			hEls2[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
		for (var i=0, len=hEls3.length; i<len; i++) {
			hEls3[i].onmouseover=function() { this.className+=" jshover"; }
			hEls3[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
		for (var i=0, len=hEls4.length; i<len; i++) {
			hEls4[i].onmouseover=function() { this.className+=" jshover"; }
			hEls4[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
	}
	if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);