var page = document.URL;
var start = page.lastIndexOf("/") + 1;
var htmlPage = page.substring(start, page.length);
var x = document.getElementsByTagName("a");
 
if ((htmlPage == x[0].href.substring(x[0].href.lastIndexOf("/") + 1, x[0].href.length)) | (htmlPage == ""))
{
 x[0].parentNode.id = "current";
 oldA = x[0].parentNode;
}
else if (htmlPage == x[1].href.substring(x[1].href.lastIndexOf("/") + 1, x[1].href.length))
{
 x[1].parentNode.id = "current";
 oldA = x[1].parentNode;
}
else if (htmlPage == x[2].href.substring(x[2].href.lastIndexOf("/") + 1, x[2].href.length))
{
 x[2].parentNode.id = "current";
 oldA = x[2].parentNode;
}
else if (htmlPage == x[3].href.substring(x[3].href.lastIndexOf("/") + 1, x[3].href.length))
{
 x[3].parentNode.id = "current";
 oldA = x[3].parentNode;
}
else if (htmlPage == x[4].href.substring(x[4].href.lastIndexOf("/") + 1, x[4].href.length))
{
 x[4].parentNode.id = "current";
 oldA = x[4].parentNode;
}
else if (htmlPage == x[5].href.substring(x[5].href.lastIndexOf("/") + 1, x[5].href.length))
{
 x[5].parentNode.id = "current";
 oldA = x[5].parentNode;
}
else {
 x[3].parentNode.id = "current";
 oldA = x[3].parentNode;
}