function returnDocument() {
        var file_name = document.location.href;
        var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
        return file_name.substring(file_name.lastIndexOf("/")+1, end);
    }

function activateLinks() {
    var documentName = returnDocument();
    var homeLink = document.getElementById('homeLink');
    switch(documentName) {
        case "":            
            homeLink.className = "active";
            break;  
        case "index.php":
            homeLink.className = "active";
            break;
        case "register.php":
            registerLink.className = "active";
            break;
        case "thankYou.php":
            registerLink.className = "active";
            break;
        case "Tryagain.php":
            registerLink.className = "active";
            break;
        case "news.php":
            newsLink.className = "active";
            break;
        case "sisterSchools.php":
            sisterSchoolLink.className = "active";
            break;
        case "resources.php":
            resourcesLink.className = "active";
            break;
        case "about.php":
            aboutLink.className = "active";
            break;
        case "help.php":
            helpLink.className = "active";
            break;          
        case "logIn.php":
            logInLink.className = "active";
            break;
        case "usSchools.php":
            usSchoolsLink.className = "active";
            break;
        case "FAQ.php":
            questionsLink.className = "active";
            break;
        case "account.php":
            accountLink.className = "active";
            break;
		case "ugandaSchoolDescriptions.php":
            sisterSchoolLink.className = "active";
            break;
    }
}