var rows = document.getElementsByTagName('tr');

/* alert ( "Script started, found " + rows.length + " rows." );         */

for (var i = 0; i < rows.length; i++)
{

	rows[i].onmouseover = function()
    {
		this.className += ' hilite';
    }

	rows[i].onmouseout = function()
	{
		this.className = this.className.replace('hilite', '');
	}
}