function CheckEmail(address) {
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(address)) {
        return (true)
    }
    return (false)
}

function CheckForm(form) {
    if (form.email.value == '') { alert('Please fill in your email address'); form.email.focus(); return false }
    if (!CheckEmail(form.email.value)) { alert('Invalid email address'); form.email.focus(); return false }
    if (form.URL.value == '') { alert('Please fill in your Website URL'); form.URL.focus(); return false }
}

function CheckContactForm(form) {
    if (form.name.value == '') { alert('Please fill in your name'); form.name.focus(); return false }
    if (form.URL.value == '') { alert('Please fill in your Website URL'); form.URL.focus(); return false }
    if (form.email.value == '') { alert('Please fill in your email address'); form.email.focus(); return false }
    if (!CheckEmail(form.email.value)) { alert('Invalid email address'); form.email.focus(); return false }
    if (form.telephone.value == '') { alert('Please fill in your contact telephone number'); form.telephone.focus(); return false }
    if (document.getElementById("Preferservices").checked == false) { alert('Please Select Your Preferred Services'); return false }
    //if (form.wherefound.value=='') {alert('Please tell us how you found our website'); form.wherefound.focus(); return false}
    if (form.message.value == '') { alert('Please enter your message'); form.message.focus(); return false }
}