// Advanced Map Search Function

function ClearDefaultEmail() {

if (document.form1.email.value == 'Enter Email Address') {
document.form1.email.value = '';
}

}

function SubmitFHU(){

      if (document.form1.autosearch_signup.checked == true) {
      
      if (ValidateEmail(document.form1.email.value)) {

      document.form1.autosearch_period.value = '1';
      document.form1.autosearch_format.value = 'HTML';
      document.form1.autosearch_length.value = '90';
      document.form1.submit();

      }
      }

      if (document.form1.autosearch_signup.checked == false) {
      
      document.form1.submit();

      }

}

function ValidateEmail(emailAddress)
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|COM|NET|ORG|EDU|INT|MIL|GOV|ARPA|BIZ|AERO|NAME|COOP|INFO|PRO|MUSEUM)$/i;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var hostPat=new RegExp("^([a-zA-Z0-9][a-zA-Z0-9-]{0,60}){0,1}[a-zA-Z0-9]$");
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailAddress.match(emailPat);
	if (matchArray==null) {
		alert("The Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("The username of the Email address contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("The domain name of the Email address contains invalid characters.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		alert("The username of the Email address 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 of the Email address is invalid!");
				return false;
			}
		}
		return true;
	}
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].match(hostPat) == null) {
			alert("The domain name of the Email address does not seem to be valid.");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The Email address must end in a well-known domain or two letter country.");
		return false;
	}
	if (len<2) {
		alert("The Email address is missing a hostname!");
		return false;
	}
	return true;
}

// End Advanced Map Search Function