var CurrentMenuItem = '-1';

function ShowMenu(id) {

    switch (id) {

        case 0:

            document.getElementById('MenuInst').style.display = 'block';
            document.getElementById('Inst').style.paddingBottom = '80px';
            document.getElementById('Inst').style.zIndex = '1';
            document.getElementById('MenuServ').style.display = 'none';
            document.getElementById('Serv').style.zIndex = '0';
            document.getElementById('Serv').style.paddingBottom = '0px';
            break;

        case 1:
            document.getElementById('MenuServ').style.display = 'block';
            document.getElementById('Serv').style.zIndex = '1';
            document.getElementById('Serv').style.paddingBottom = '80px';
            document.getElementById('MenuInst').style.display = 'none';
            document.getElementById('Inst').style.zIndex = '0';
            document.getElementById('Inst').style.paddingBottom = '0px';
            
        break;

    }


}

function HideMenu(id) {

    switch (id) {

            case 0:
                document.getElementById('MenuInst').style.display = 'none';
                document.getElementById('MenuInst').style.zIndex = '0';
                SetCurrentMenuItem();
            break;

        case 1:
            document.getElementById('MenuServ').style.display = 'none';
            document.getElementById('MenuServ').style.zIndex = '0';
            SetCurrentMenuItem();
            break;

    }


}

function SetCurrentMenuItem() {

    if (CurrentMenuItem != '-1') {
       
        switch (CurrentMenuItem) {


            case 0:
                ShowMenu(CurrentMenuItem);
                document.getElementById('Inst').style.color='#0F68A2';
                break;

            case 1:
                ShowMenu(CurrentMenuItem);
                document.getElementById('Serv').style.color = '#0F68A2';
                break;

        }

    }
    else {
       
    }

}


function SelectMenuItem(elementID) {

    var Main = new Object;
    var browser = navigator.appName;

            if (browser == 'Netscape') {
                
                Main = document.getElementById(elementID).childNodes[0];
                Main.style.color = "#0F68A2";


            }
            else {

                Main = document.getElementById(elementID).childNodes[0];
                Main.style.color = "#0F68A2";

            }


        }