function menuOver() {
	var menu = document.getElementById('main_menu');
	var menu_links = menu.getElementsByTagName('a');
	for (var i=0; i<menu_links.length; i++) {
		if (document.addEventListener) {
			menu_links[i].addEventListener("mouseover", overMenu, true);
			menu_links[i].addEventListener("mouseout", outMenu, true);
		}
		else if (document.attachEvent) {
			menu_links[i].onmouseover = overMenu;
			menu_links[i].onmouseout = outMenu;
		}
	}

	var enter = document.getElementById('enter');
        if (enter) {
	if (document.addEventListener) {
		enter.addEventListener("mouseover", overEnter, true);
		enter.addEventListener("mouseout", outEnter, true);
	}
	else if (document.attachEvent) {
		enter.onmouseover = overEnter;
		enter.onmouseout = outEnter;
	}
        }  

	var head_menu = document.getElementById('head_menu');
	var head_menu_img = head_menu.getElementsByTagName('img');
	for (var j=0; j<head_menu_img.length; j++) {
		if (document.addEventListener) {
			head_menu_img[j].parentNode.addEventListener("mouseover", overMenuHead, true);
			head_menu_img[j].parentNode.addEventListener("mouseout", outMenuHead, true);
		}
		else if (document.attachEvent) {
			head_menu_img[j].parentNode.onmouseover = overMenuHead;
			head_menu_img[j].parentNode.onmouseout = outMenuHead;
		}
	}

}

function overMenu(e) {
	if (!e) e = window.event;
	var tage = this;

	var point_left = tage.parentNode;
	var point_right = point_left.parentNode;
	var point_bg = point_right.parentNode;
	var point_bg_classes = point_bg.className.split(" ");
	var classWidth = point_bg_classes[1];

	tage.className = "active";
	point_left.className = "point_left_active";
	point_right.className = "point_right_active";
	point_bg.className = "point_bg_active"+" "+classWidth;
}

function outMenu(e) {
	if (!e) e = window.event;
	var tage = this;

	if (tage.getAttribute("id") != 'no_clear') {

		var point_left = tage.parentNode;
		var point_right = point_left.parentNode;
		var point_bg = point_right.parentNode;
		var point_bg_classes = point_bg.className.split(" ");
		var classWidth = point_bg_classes[1];

		tage.className = "";
		point_left.className = "point_left";
		point_right.className = "point_right";
		point_bg.className = "point_bg"+" "+classWidth;

	}
}

function overEnter(e) {
	this.style.color = "#FFF";
}

function outEnter(e) {
	this.style.color = "#2c6a9d";
}

function overMenuHead(e) {
	var image = this.firstChild;
	var paths = image.src.split('/');
	var pict = paths[paths.length-1];
	if (pict.indexOf('_active') == -1) {
		var path = pict.split('.');
		image.src = "/img/" + path[0] + "_active." + path[1];
	}
}

function outMenuHead(e) {
	var image = this.firstChild;
	var paths = image.src.split('/');
	var pict = paths[paths.length-1];
	if (pict.indexOf('_active') != -1) {
		var path = pict.split('_active.');
		image.src = "/img/" + path[0] + "." + path[1];
	}
}