function submitForm() {
if (isFirstName() && isLastName() && isEmail()) {
	return true;
	}
else
	return false;
}

function isEmail() {
	var str = new String();
	str = document.frmSignUp.txtEmail.value;
	
	if (str.length>1){
		var apos=str.indexOf("@");
		var dotpos=str.lastIndexOf(".");
		if (apos<1 || dotpos-apos<2) {
			alert("\nThe EMAIL field must be valid.\n\nPlease check and re-enter your email.");
			document.frmSignUp.txtEmail.focus();
			return false;
		} else {
			return true;
		}
	} else {
		alert("\nThe EMAIL field must be filled out.\n\nPlease re-enter your email.");
		document.frmSignUp.txtEmail.focus();
		return false;
	}
}
//-----------------------------
/*function validate_email(field,alerttxt){
	with (field){
	apos=value.indexOf("@")
	dotpos=value.lastIndexOf(".")
	if (apos<1||dotpos-apos<2) {
		alert(alerttxt);
		return false;
	}
	else {return true}
	}
}*/
//-----------------------------------------
function isFirstName() {
	var str = document.frmSignUp.txtFName.value;
	if (str == "") {
		alert("\nThe FIRST NAME field is blank.\n\nPlease enter your name.")
		document.frmSignUp.txtFName.focus();
		return false;
	}
		for (var i = 0; i < str.length; i++) {
		var ch = str.substring(i, i + 1);
		if (((ch < "a" || "z" < ch) && (ch < "A" || "Z" < ch)) && ch != ' ') {
		alert("\nThe LAST NAME field only accepts letters & spaces.\n\nPlease re-enter your name.");
		document.frmSignUp.txtFName.select();
		document.frmSignUp.txtFName.focus();
		return false;
		}
	}
	return true;
}

function isLastName() {
	var str = document.frmSignUp.txtLName.value;
	if (str == "") {
		alert("\nThe LAST NAME field is blank.\n\nPlease enter your name.")
		document.frmSignUp.txtLName.focus();
		return false;
	}
		for (var i = 0; i < str.length; i++) {
		var ch = str.substring(i, i + 1);
		if (((ch < "a" || "z" < ch) && (ch < "A" || "Z" < ch)) && ch != ' ') {
		alert("\nThe LAST NAME field only accepts letters & spaces.\n\nPlease re-enter your name.");
		document.frmSignUp.txtLName.select();
		document.frmSignUp.txtLName.focus();
		return false;
		}
	}
	return true;
}