suckerfish = function()
{
	var items = document.getElementById('mainnav').getElementsByTagName('li');
	for ( var i = 0; i < items.length; ++i )
	{
		items[i].onmouseover = function()
		{
			this.className += " suckerfish";
		}

		items[i].onmouseout = function()
		{
			this.className = this.className.replace(" suckerfish", "");
		}
	}
}


if ( window.attachEvent )
	window.attachEvent('onload', suckerfish);