function ajaxManager()
{
	var args = ajaxManager.arguments;
	var x = ( window.ActiveXObject ) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
	
	switch (args[0])
	{
		case "load_page":
		if ( x )
		{
			x.onreadystatechange = function()
			{
				if ( x.readyState == 4 && x.status == 200 )
				{
					el = document.getElementById(args[2]);
					el.innerHTML = x.responseText;
				}
			}
			x.open("GET", args[1], true);
			x.send(null);
		}
		break;

		case "start_up":
		ajaxManager('load_page', args[1], 'content');
		break;
	}
}