function validateEmail(emailad) {
   var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
   var check=/@[\w\-]+\./;
   var checkend=/\.[a-zA-Z]{2,3}$/;
 
   if(((emailad.search(exclude) != -1) || (emailad.search(check)) == -1) || (emailad.search(checkend) == -1)) {
    return false;
   }
   else {
    return true;
   }
}
function validate()
{
x=document.SolutionsSummit
FirstName=x.FirstName.value
LastName=x.LastName.value
Title=x.Title.value
Organization=x.Organization.value
StreetAddress=x.StreetAddress.value
City=x.City.value
State=x.State.value
ZipCode=x.ZipCode.value
WorkPhone=x.WorkPhone.value
Email=x.Email.value

submitOK="True"

if (FirstName=='')
 {
 alert("Please enter your First Name.")
 x.FirstName.focus()
 submitOK="False"
 return false
 }
if (LastName=='')
 {
 alert("Please enter your Last Name.")
 x.LastName.focus()
 submitOK="False"
 return false
 }
if (Title=='')
 {
 alert("Please enter your Job Title.")
 x.Title.focus()
 submitOK="False"
 return false
 }
if (Organization=='')
 {
 alert("Please enter your Organization.")
 x.Organization.focus()
 submitOK="False"
 return false
 }
if (StreetAddress=='')
 {
 alert("Please enter your Street Address.")
 x.StreetAddress.focus()
 submitOK="False"
 return false
 }
if (City=='')
 {
 alert("Please enter your City.")
 x.City.focus()
 submitOK="False"
 return false
 }
if (State=='')
 {
 alert("Please enter your State.")
 x.State.focus()
 submitOK="False"
 return false
 }
if (ZipCode=='')
 {
 alert("Please enter your ZipCode.")
 x.ZipCode.focus()
 submitOK="False"
 return false
 }
if (WorkPhone=='')
 {
 alert("Please enter your WorkPhone.")
 x.WorkPhone.focus()
 submitOK="False"
 return false
 }
if (Email=='')
 {
 alert("Please enter your Email.")
 x.Email.focus()
 submitOK="False"
 return false
 }
if (submitOK=="False")
 {
 return false
 }
 if (!validateEmail(Email))
 {
    alert("Please enter your valid email, ex: youremail@domainname.com")
	x.Email.focus()
	submitOK="False"
	return false
 } 
}