preparse = function ()
{
	navRoot = document.getElementById ( 'topmenu' );

	for ( i = 0 ; i < navRoot.childNodes.length ; i++ )
	{
		node = navRoot.childNodes [i];

		if ( node.nodeName == 'TD' && node.id == "" )
		{
			node.onmouseover = function ()
			{
				this.className += ' over';
			}

			node.onmouseout = function ()
			{
				this.className = this.className.replace ( 'over', '' );
			}
		}
	}
}
window.onload   = preparse;