function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function open_window(theURL) { //v2.0
  window.open(theURL,"","toolbar=yes,scrollbars=yes,resizable=yes,width=700");
}

function open_movie(theURL) { //v2.0
  window.open(theURL,"","toolbar=no,locationbar=no,scrollbars=no,resizable=yes,width=500,height=400");
}

function verifyFields() {
	var err, rx;
	err = '';
	if (register.firstname.value == ''){err += 'Please fill in your first name\n';}
	if (register.lastname.value == ''){err += 'Please fill in your last name\n';}
	if (register.email.value == ''){
		err += 'Please fill in your email address\n';
		}else{
			// check validity of email address 
		    rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
			if(!rx.test(register.email.value)){err+='The email address is not valid\n';}
		}	
	if (register.address1.value == ''){err += 'Please fill in your address\n';}
	if (register.city.value == ''){err += 'Please fill in your city\n';}
	if (register.state.value == ''){err += 'Please fill in your state\n';}
	if (register.zip.value == ''){err += 'Please fill in your zip\n';}

	// show errors
	if (err != ''){
		alert(err);
		return false;
	}
	else return true;
}