$(document).ready(function()
{
	// style tables
	$("table tr:gt(0)").mouseover(function()
	{
		$(this).addClass("trOver");
	});
	$("table tr:gt(0)").mouseout(function()
	{
		$(this).removeClass("trOver");
	});
	$("table tr:odd").addClass("trOdd");
	$("table tr:even").addClass("trEven");
	$("table tr:nth-child(1)").removeClass("trEven");
	$("table tr:nth-child(1)").addClass("trHead");


	// insert "back button" link
	$("#back").replaceWith("<div id=\"back\"><a href=\"javascript:history.back()\" title=\"go back\">&larr; back</a></div>");
});