// Returns path with folder and file, else -1.
// ex. /folder/file.html
function getPath(thePath) {
	if (thePath == null) { return -1; }
	var startSlash = thePath.lastIndexOf("/");
	startSlash = thePath.lastIndexOf("/",startSlash -1);

	if (startSlash == -1) {
		return -1;
	} else {
		return thePath.substr(startSlash, thePath.length - startSlash);
	}
}

// Returns folder, else -1.
// ex. /folder/
function getFolder(thePath) {
	if (thePath == null) { return -1; }
	var startSlash = thePath.lastIndexOf("/");
	startSlash2 = thePath.lastIndexOf("/",startSlash -1);

	if(startSlash == startSlash2) { return -1; }
	if (startSlash == -1 || startSlash2 == -1) {
		return -1;
	} else {
		return thePath.substr(startSlash2, startSlash - startSlash2 + 1);
	}
}

function checkNav() {
	var tmpMain = "";
	for(x=0;x<document.getElementsByTagName("a").length;x++) {
		currentHREF = document.getElementsByTagName("a")[x];
		if (currentHREF.id == "navmain" && currentURL.indexOf(getFolder(currentHREF.href)) != -1) {
			tmpMain = currentHREF;
		}
		if (getPath(currentURL) == getPath(currentHREF.href)) {
			return;
		}
	}
	if (tmpMain != "") {
		P7_TMenu(tmpMain);
	}
}

var currentURL = location.href;