/* CONFIGURATION AREA */
/*
	browsers:
		IE - Microsoft Internet Explorer
		FF - FireFox
		Safari - Safari browser
		Opera - Opera browser
		all - includes IE, FF, Opera and Safari

	parentId:
		any existing Id attribute
	tagName:
		any valid tag name
	tagPosition:
		all - all inner elements
		children - first level children only
	className:
		any valid class name
*/

var browsers = 'all';
var config = {
	hovers: new Array(
		{
			parentId:'menu',
			tagName:'li',
			tagPosition:'children',
			className:'hover'
		}
	)
};

/* CODE AREA */

/* hovers */

var initHovers = function()
{
	for (var index in config.hovers){
		var conf = config.hovers[index];
		var topLevelElement = document.getElementById(conf.parentId);
		if (topLevelElement){
			var subElements = topLevelElement.getElementsByTagName(conf.tagName);
			for (var i = 0; i < subElements.length; i++){
				if (conf.tagPosition == 'all' || (conf.tagPosition == 'children' && subElements[i].parentNode.id == conf.parentId))
				{
					subElements[i].configIndex = index;
					subElements[i].onmouseover = function(){
						this.className += ' ' + config.hovers[this.configIndex].className;
					};
					subElements[i].onmouseout = function(){
						this.className = this.className.replace(config.hovers[this.configIndex].className,'');
					};
				}
			}
		}
	}
}

/* common */

var currentState = {};

var opera = window.opera;
var safari = navigator.appVersion.indexOf("Safari") != -1;
var ie = document.all && !window.opera;
var ff = navigator.userAgent.indexOf("Firefox") != -1;

$(document).ready(function(){
	initHovers();
	
	$('div.select span').click(function(){
		$(this).parents('div.select').find('ul').toggle();
	});
	$('div.select a').click(function(e){
		e.preventDefault();
		var curValue = $(this).text();
		$(this).parents('div.select').find('input').attr('value',curValue);
		$(this).parents('div.select').find('span').html(curValue);
		$(this).parents('div.select').find('ul').hide();
	});
});


<!-- Clear Default Value -->

function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}