function menuEvents() {

	var nav = document.getElementById('main_navigation').getElementsByTagName('ul')[0];

	for (var i = 0; i<nav.childNodes.length; i++) {

		if(nav.childNodes[i].nodeName.toLowerCase() == "li") {

			nav.childNodes[i].firstChild.onmouseover = function() {
				var currentsrc = this.firstChild.src;
				if(currentsrc.indexOf('_active')!=-1 || currentsrc.indexOf('_hover')!=-1) return;
				var path = '/images/frontend/'
				var s = 'navigation_';
				var fileName = currentsrc.substring(currentsrc.indexOf(s));
				var lang = fileName.substring(fileName.length-6, fileName.length-4);
				fileName = fileName.substring(0, fileName.length-7);
				var hoverFileName = path + fileName + '_hover' + '_'+ lang + '.png';
				this.firstChild.src = hoverFileName;
			}

			nav.childNodes[i].firstChild.onmouseout = function() {
				var currentsrc = this.firstChild.src;
				if(currentsrc.indexOf('_active')!=-1) return;
				var path = '/images/frontend/'
				var s = 'navigation_';
				var fileName = currentsrc.substring(currentsrc.indexOf(s));
				fileName  = fileName.replace(/_hover/, "");
				var normalFileName = path+fileName;
				this.firstChild.src = normalFileName;
			}
		}
	}
}