<!-- JavaScript
function validateform(form)
{
  if (form.name.value=="")
  {
    alert("Please enter your name")
    form.name.focus()
    return (false)
  }
  if (validateemail(form.email.value)==false)
  {
    alert("Please enter a valid email address")
    form.email.focus()
    return (false)
  }
  return(true);
}

function validateemail (emailStr) {
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if (matchArray==null)
 return false
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null)
    return false
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
  for (var i=1;i<=4;i++)
  {
    if (IPArray[i]>255)
      return false
  }
  return true
}
var domainArray=domain.match(domainPat)
if (domainArray==null)
    return false
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 ||
    domArr[domArr.length-1].length>4)
   return false
if (len<2)
   return false
return true;
}
// - JavaScript - -->