function validateEmail(addr,man,db) {
		if (addr == '' && man) {
		if (db) alert('Please enter your email address');
		return false;
		}
		var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
		for (i=0; i<invalidChars.length; i++) {
		if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
			if (db) alert('email address contains invalid characters');
			return false;
		}
		}
		for (i=0; i<addr.length; i++) {
		if (addr.charCodeAt(i)>127) {
			if (db) alert("email address contains non ascii characters.");
			return false;
		}
		}

		var atPos = addr.indexOf('@',0);
		if (atPos == -1) {
		if (db) alert('email address must contain an @');
		return false;
		}
		if (atPos == 0) {
		if (db) alert('email address must not start with @');
		return false;
		}
		if (addr.indexOf('@', atPos + 1) > - 1) {
		if (db) alert('email address must contain only one @');
		return false;
		}
		if (addr.indexOf('.', atPos) == -1) {
		if (db) alert('email address must contain a period in the domain name');
		return false;
		}
		if (addr.indexOf('@.',0) != -1) {
		if (db) alert('period must not immediately follow @ in email address');
		return false;
		}
		if (addr.indexOf('.@',0) != -1){
		if (db) alert('period must not immediately precede @ in email address');
		return false;
		}
		if (addr.indexOf('..',0) != -1) {
		if (db) alert('two periods must not be adjacent in email address');
		return false;
		}
        var suffix = addr.substring(addr.lastIndexOf('.') + 1);
        if (suffix.length < 2) {
            if (db) alert('invalid primary domain in email address');
            return false;
        }
		if (suffix.length == 2 && suffix != 'ie' && suffix != 'uk')
		{
		if (db) alert('invalid primary domain in email address');
		 return false;
		}
		if (suffix.length == 3 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
		if (db) alert('invalid primary domain in email address');
		return false;
		}
		return true;
		}