//all codes authored by webninja
//except for "MM_" prefixed functions by Macromedia
//copyright 2001-2007 bytemarks
//for dospalmas.com.ph site

function submitForm() {
	if (existEmail() && existName() && existContactNum)
	if (confirm("\n You are about to e-mail your submission. \n\nYES to submit. NO to abort.")) {
		return true;
	}
	else
	{
		alert("\n You have chosen to abort the submission.");
		return false
	}
	else 
		return false;
}

function existName() {
	if (document.reservationform.varName.value == "") {
		alert ("\n Please enter your complete Name.")
		document.reservationform.varName.focus();
		return false;
	}
	return true;
}

function existEmail() {
	return checkEmail(document.reservationform.varEmail.value)
}

function existContactNum() {
	if (document.reservationform.varContactNum.value == "") {
		alert ("\n Please enter your Contact Number.")
		document.reservationform.varContactNum.focus();
		return false;
	}
	return true;
}

// Check if email is truly valid
function checkEmail(emailAddy) {
	// Patterns
	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=emailAddy.match(emailPat)
	if (matchArray==null) {
 		alert("Email address is empty or incorrectly supplied (check @ and .'s)");
 		document.reservationform.varEmail.focus();
		return false
	}
	
	var user=matchArray[1]
	var domain=matchArray[2]
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid.");
		document.reservationform.varEmail.focus();
		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!");
				document.reservationform.varEmail.focus();
				return false
			}
		}
		return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid.");
		document.reservationform.varEmail.focus();
		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>3) {
		alert("The address must end in a three-letter domain, or two letter country.");
		document.reservationform.varEmail.focus();
		return false
	}

	if (len<2) {
		var errStr="This address is missing a hostname!"
		alert(errStr);
		document.reservationform.varEmail.focus();
		return false
	}

	return true;
}