/*
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] != "info") &&
    (domArr[domArr.length-1] != "name") &&
    (domArr[domArr.length-1] != "arpa") &&
    (domArr[domArr.length-1] != "coop") &&
    (domArr[domArr.length-1] != "aero")) {
        if (domArr[domArr.length-1].length<2 ||
            domArr[domArr.length-1].length>3) {
                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;
}
function UPTvalidateform(thisform)
{
 if (thisform.val_1.value==""){   
alert("Please enter a value for First Name");
return(true);}
 if (emailCheck(thisform.email.value)) 
 { 
        if (document.getElementById('unsubscribe') 
            && !document.getElementById('unsubscribe').checked) {
      
        } else {
            
        }
  return false;
 }
 else
 {
  return true;
 }
}

*/
// JavaScript Document

function chex()
{

		

if (document.form1.email.value=='')
		
		
	
	{
	alert('You must fill out the Email field to proceed');
	document.form1.email.focus();
	document.form1.email.style.backgroundColor="#FF9900";
	return false;
	
	}
	if (echeck(document.form1.email.value)==false){
		document.form1.email.value=""
		document.form1.email.focus()
  		document.form1.email.style.backgroundColor="#FF9900";
		return false
	}
	if (document.form1.name.value=='')
	{
	alert('You must fill out the First Name field to proceed');
	document.form1.name.focus();
	document.form1.name.style.backgroundColor="#FF9900";
	return false;
	
	}

}
	





function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

 		 return true					
	}