function LMOver(oTd)
{
    if (oTd != null && oTd != 'undefined') {
        oTd.className = 'active';
    }
}

function LMOut(oTd)
{
    if (oTd != null && oTd != 'undefined') {
        oTd.className = '';
    }
}

function validateContactUsForm()
{
    if (document.form.name.value == "") {
        document.form.name.select();
        document.form.name.focus();
        alert("Please enter Your Name.");
        return false;
    }
    else if (document.form.email_address.value == "") {
        document.form.email_address.select();
        document.form.email_address.focus();
        alert("Please enter Your E-mail Address.");
        return false;
    }
    else if(!checkEmail(document.form.email_address.value)) {
        document.form.email_address.select();
        document.form.email_address.focus();
        alert('Please enter valid E-mail Address.');
        return false;
    }
    else if (document.form.subject.value == "") {
        document.form.subject.select();
        document.form.subject.focus();
        alert("Please enter Subject.");
        return false;
    }
    return true;

    function checkEmail(form)
    {
        return /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form.email_address.value);
    }
}