function checkForEmail(formField)
{
    var emailPattern = /^[a-z0-9]+([_|-|.][a-z0-9]+)*\@([a-z0-9]+((-*)(.*)[a-z0-9]+)*\.(com|edu|biz|org|gov|int|info|mil|net|arpa|name|museum|coop|aero|[a-z][a-z])|(\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]))$/; 
 
    var fieldValue = document.forms["contactForm"].elements[formField].value;
    if (fieldValue.search(emailPattern) == -1)
    { 
        alert("Please make sure your email address is valid.");
        //document.forms["order_whitepaper"].elements[formField].focus();
    }
    else
    {
        document.forms["contactForm"].submit();
    }
}

function checkForHPEmail(formField)
{
    var emailPattern = /^[a-z0-9]+([_|-|.][a-z0-9]+)*\@([a-z0-9]+((-*)(.*)[a-z0-9]+)*\.(com|edu|biz|org|gov|int|info|mil|net|arpa|name|museum|coop|aero|[a-z][a-z])|(\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]))$/; 
 
    var fieldValue = document.forms["contactForm"].elements[formField].value;
    if (fieldValue.search(emailPattern) == -1)
    { 
        alert("Please make sure your email address is valid.");
        //document.forms["order_whitepaper"].elements[formField].focus();
    }
    else
    {
        document.forms["contactForm"].submit();
    }
}

function checkIfBlank(formField)
{
    var fieldValue = document.forms["contactForm"].elements[formField].value;
    if (fieldValue == "")
    {
        alert("Please be sure to complete all fields.");
    }
    else
    {
        document.forms["contactForm"].submit();
    }
}