function onload_f()
{
	setupNav();
	external();
}

function setupNav()
{
	navarr=document.getElementById("nav").getElementsByTagName("a");
	for(i=0; i<navarr.length; i++)
		{
			if(document.URL.indexOf(navarr[i].href)!=-1)
			{
				navarr[i].className="selected";
			}
		}
	if(document.URL.indexOf(".html")==-1)
	{
		navarr[0].className="selected";
	}
}

function external()
{
	atags=document.getElementsByTagName("a");
	for (ii=0; ii<atags.length; ii++)
	{
		if(document.URL.indexOf(atags[ii].href.substring(7, 7+1*atags[ii].href.substring(7).indexOf('/')))==-1 || atags[ii].href.indexOf(".html")==-1)
			atags[ii].target="_blank";
	}
}