var image0 = new Image();
image0.src = "support/btn_home_mo.jpg";
var image1 = new Image();
image1.src = "support/btn_about_mo.jpg";
var image2 = new Image();
image2.src = "support/btn_tech_mo.jpg";
var image3 = new Image();
image3.src = "support/btn_apps_mo.jpg";
var image4 = new Image();
image4.src = "support/btn_prod_mo.jpg";
var image5 = new Image();
image5.src = "support/btn_svcs_mo.jpg";
var image6 = new Image();
image6.src = "support/btn_res_mo.jpg";
var image7 = new Image();
image7.src = "support/btn_news_mo.jpg";
var image8 = new Image();
image8.src = "support/btn_contact_mo.jpg";

function chgButton(oImg){
    var sSrc = oImg.src;
    var nPos = sSrc.lastIndexOf("_");
    
    if (nPos > 0){
        var sImgSuffix = sSrc.substr(nPos, sSrc.length);
        var sSrcBase = sSrc.substr(0, nPos);
        if (sImgSuffix == "_off.jpg"){
            oImg.src = sSrcBase + "_mo.jpg";
            return(true);
        }else if (sImgSuffix == "_mo.jpg") {
            oImg.src = sSrcBase + "_off.jpg";
            return(true);
        }
    }
}

function verifyEmail(){
    if (document.forms["frmMail"].EmailAddress.value.indexOf("@") <= 0){
        alert ("Please enter a valid email address.");
        document.forms["frmMail"].EmailAddress.focus();
        return false;
    } else if (document.forms["frmMail"].EmailAddress.value.indexOf("@") <= 0){
        alert ("Please enter a valid email address.");
        document.forms["frmMail"].EmailAddress.focus();
        return false;
    } else if (document.forms["frmMail"].EmailAddress.value.indexOf(".") <= 0){
        alert ("Please enter a valid email address.");
        document.forms["frmMail"].EmailAddress.focus();
        return false;
    } else
        return true;
}