var slideMenu = function ()
{
	var sp, st, t, m, sa, l, w, gw, ot;
	return {
		build: function (sm, sw, mt, s, sl, h)
		{
			sp = s;
			st = sw;
			t = mt;
			m = document.getElementById(sm);
			sa = m.getElementsByTagName('span');
			l = sa.length;
			w = m.offsetWidth;
			gw = w / l;
			ot = Math.floor((w - st) / (l - 1));
			var i = 0;
			for (i; i < l; i++)
			{
				s = sa[i];
				s.style.width = gw + 'px';
				this.timer(s)
			}
			if (sl != null)
			{
				m.timer = setInterval(function ()
				{
					slideMenu.slide(sa[sl - 1])
				}, t)
			}
		},
		timer: function (s)
		{
			s.onmouseover = function ()
			{
				clearInterval(m.htimer);
				clearInterval(m.timer);
				m.timer = setInterval(function ()
				{
					slideMenu.slide(s)
				}, t)
			}
			s.onmouseout = function ()
			{
				clearInterval(m.timer);
				clearInterval(m.htimer);
				m.htimer = setInterval(function ()
				{
					slideMenu.slide(s, true)
				}, t)
			}
		},
		slide: function (s, c)
		{
			var cw = parseInt(s.style.width);
			if ((cw < st && !c) || (cw > gw && c))
			{
				var owt = 0;
				var i = 0;
				for (i; i < l; i++)
				{
					if (sa[i] != s)
					{
						var o, ow;
						var oi = 0;
						o = sa[i];
						ow = parseInt(o.style.width);
						if (ow < gw && c)
						{
							oi = Math.floor((gw - ow) / sp);
							oi = (oi > 0) ? oi : 1;
							o.style.width = (ow + oi) + 'px';
						}
						else if (ow > ot && !c)
						{
							oi = Math.floor((ow - ot) / sp);
							oi = (oi > 0) ? oi : 1;
							o.style.width = (ow - oi) + 'px'
						}
						if (c)
						{
							owt = owt + (ow + oi)
						}
						else
						{
							owt = owt + (ow - oi)
						}
					}
				}
				s.style.width = (w - owt) + 'px';
			}
			else
			{
				clearInterval(m.timer);
				clearInterval(m.htimer)
			}
		}
	};
}();