if(document.images) {
    img0 = new Image(); img0.src = "images/ek_splash_hover.jpg";
    img1 = new Image(); img1.src = "images/nav_news_hover.gif";
    img2 = new Image(); img2.src = "images/nav_biography_hover.gif";
    img3 = new Image(); img3.src = "images/nav_calendar_hover.gif";
    img4 = new Image(); img4.src = "images/nav_recordings_hover.gif";
    img5 = new Image(); img5.src = "images/nav_links_hover.gif";
    img6 = new Image(); img6.src = "images/nav_contact_hover.gif";
}

function replaceImg(imgName, imgFileName)
{
    if(document.images)
        document.images[imgName].src = "images/" + imgFileName;
}

var pwds = new Array();
// img,pwd
pwds = [
["hum_eduhetxub.gif","buxtehude"],
["hum_dnalwod.gif","dowland"],
["hum_ldenah.gif","handel"],
["hum_ndyah.gif","haydn"],
["hum_dragedlih.gif","hildegard"],
["hum_tuahcam.gif","machaut"],
["hum_idrevetnom.gif","monteverdi"],
["hum_trazom.gif","mozart"],
["hum_selogrep.gif","pergolesi"],
["hum_llecrup.gif","purcell"],
["hum_odnomsigis.gif","sigismondo"] //no trailing comma here
];

function writePwd()
{
    var randNum = Math.floor(Math.random() * 11); // VALUES OF 0 TO 10
    document.write("<INPUT TYPE=HIDDEN NAME=\"composer\" VALUE=\"" + pwds[randNum][1] + "\">");
    document.write("Password: <IMG SRC=\"images/" + pwds[randNum][0] + "\"><BR>");
}

function evalForm()
{
    with(document.contactForm) {
//        var str = user_email.value;
//        validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
//        if ((user_name.value=="")||(user_name.value==" ")) {
//            alert("Please enter your name.")
//            user_name.focus();
//            return false;
//        }
//        if (str.search(validRegExp) == -1) {
//            alert("Please enter a valid email address.");
//            user_email.focus();
//            user_email.select();
//            return false;
//        }
        if ((user_message.value=="")||(user_message.value==" ")) {
            alert("Please enter your comments.")
            user_message.focus();
            return false;
        }
    }
    showVerify();
    return true;
}

function showVerify()
{
    document.getElementById("verify").style.display = "block";
    document.getElementById("continue").style.display = "none";
    document.getElementById("word").style.display = "block";
    document.contactForm.user_password.value = "";
    document.contactForm.user_password.focus();
}

function evalPwd()
{
    with(document.contactForm) {
        if (composer.value != user_password.value) {
            alert("The password you entered is incorrect. Please try again.")
            user_password.focus();
            user_password.select();
            return false;
        }
    }
    document.contactForm.submitButton.disabled=true
    return true;
}