// Email Chk

function emailCheck (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) {
  
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]


if (user.match(userPat)==null) {
   
    alert("The username doesn't seem to be valid.")
    return false
}


var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}


var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    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) {
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}


if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}


return true;
}

// Form Contact 

function check()
{
if(document.contact.name.value=="")
{
alert("The Name field can not be blank.");
document.contact.name.focus();
return false;
}

if(document.contact.message.value=="")
{
alert("The Message field can not be blank.");
document.contact.message.focus();
return false;
}


//alert(retMail);
if(document.contact.email.value!="")
{
	var retMail=emailCheck (document.contact.email.value);
	if (retMail==false) return false;
	else return true;
}
else
{
	alert("The eMail field can not be blank.");
	document.contact.email.focus();
	return false;
}


//if(document.contact.subj.value=="")
//{
//alert("The Subject field can not be blank.");
//document.contact.subj.focus();
//return false;
//}

return true;
}