function extractPageName(hrefString)
{
var hrefString = hrefString.split('#');
var hrefString = hrefString[0].split('?');

var arr = hrefString[0].split('/');

return (arr.length<2) ? hrefString : arr[arr.length-2].toLowerCase() + arr[arr.length-1].toLowerCase();
}

function setActiveMenu(arr, crtPage)
{
	for(var i=0; i < arr.length; i++)
	{
		if(extractPageName(arr[i].href) == crtPage)
		{
			if (arr[i].parentNode.tagName != "DIV")
			{
				arr[i].className = "current";
				arr[i].parentNode.className = "current";
			}
		}
	}
}

function setPage()
{
	if(document.location.href) hrefString = document.location.href;
	else                       hrefString = document.location;
	if (document.getElementById("mainnav")!=null) setActiveMenu(document.getElementById("mainnav").getElementsByTagName("a"), extractPageName(hrefString));

}