function isEmail(strEmail) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   return reg.test(strEmail);
}


function frmContactCheck(frm){
    var errMsg=document.getElementById('errContact');
    if(frm.contact_name.value == ''){
        errMsg.style.display = 'block';
        frm.contact_name.focus();
        return false;
    }
    else
    if(frm.contact_phone_1.value == ''){
        errMsg.style.display = 'block';
        frm.contact_phone_1.focus();
        return false;
    }
    else
    if(!isEmail(frm.contact_email.value)){
        errMsg.style.display = 'block';
        frm.contact_email.focus();
        return false;
    }
    else
    return true;
}