function getElement(elementID) {
	if(document.all) {
		return document.all[elementID];
	} else {
		return document.getElementById(elementID);
	}
}

var menuItemsClasses = new Array();

function menuItemOver(obj_no) {
	var objID = 'menu_item' + obj_no;
	menuItemsClasses[obj_no] = getElement(objID).className;
	getElement(objID).className = 'item_onover';
}

function menuItemOut(obj_no) {
	var objID = 'menu_item' + obj_no;
	getElement(objID).className = menuItemsClasses[obj_no];
}

function menuItemClick(obj_no, url) {
	var objID = 'menu_item' + obj_no;
	var el = getElement(objID);
	el.onMouseOver = 'javascript:void();';
	el.className = 'item_active';
	
	var currentURL = window.location.href;
	var newURL = url;
	if(!url.match(/^http:\/\//)){
		newURL = currentURL.replace(/\/[a-zA-Z]+\.php.*/, '/'+url);
	}
	window.location.href = newURL;
}