var ie4 = false;
if(document.all) {
ie4 = true;
}

function getObject(id) {
if (ie4) {
return document.all[id];
} else {
return document.getElementById(id);
}
}
                        
function toggle(link, divId) {
                         var lText = link.innerHTML;
                         var d = getObject(divId);
                         if (lText == '+') {
                                 link.innerHTML = '−';
                                 d.style.display = 'block';
                         } else {
                                 link.innerHTML = '+';
                                 d.style.display = 'none';
                         }
                  }
						
function addEvent(obj, type, fn)
{
	if(obj.addEventListener)
	{
		obj.addEventListener(type, fn, false);
	}
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function(){obj["e"+type+fn](window.event);}
		obj.attachEvent("on"+type, obj[type+fn]);
	}
}

/* => Navs */

addEvent(window, 'load', function(x,i)
{
	if(!document.getElementById)
	{
		return false;
	}
	for(i in x = document.getElementById('nav').getElementsByTagName('ul')[0].childNodes)
	{
		if(x[i] && x[i].tagName && x[i].tagName.toLowerCase() == 'li')
		{
			x[i].onmouseover = function()
			{
				this.className = 'active';
			}
			x[i].onmouseout = function()
			{
				this.className = '';
			}
		}
	}
});