// JavaScript for Jigsaw

function tv(i) {return toggleVisibility(i);}
function toggleVisibility(id) {
    try {
        var e = document.getElementById(id);
        if(e.style.display == 'none')
        e.style.display = 'block';
        else
        e.style.display = 'none';
        //window.blur();
    } catch(ex) {}
}

function hide(id) {
    try {var e = document.getElementById(id);
    e.style.display = 'none';} catch(ex) {}
}

function show(id) {
    try {var e = document.getElementById(id);
    e.style.display = 'block';} catch(ex) {}
}

function enable(id) {
    try {var e = document.getElementById(id);
    e.disables = false;} catch(ex) {}
}

function disable(id) {
    try {var e = document.getElementById(id);
    e.disabled = true;} catch(ex) {}
}

function setCSSClass(id,cssclass) {
    try {var e = document.getElementById(id);
    e.className = cssclass;} catch(ex) {}
}

function product_tab(tab) {
    hide('tabFeatures');hide('tabTech');hide('tabReviews');hide('tabEmail');
    setCSSClass('lnkFeatures','');setCSSClass('lnkTech','');setCSSClass('lnkReviews','');setCSSClass('lnkEmail','');
    setCSSClass('lnk'+tab,'selected');show('tab'+tab);
}