function flipSideBox(id){
	var className = document.getElementById(id).className;
	var closed_re = /(?: |^)closed(?:$| )/;
	if(className.match(closed_re)){
		className = className.replace(closed_re, '');
	}else{
		className = className+' closed';
	}
	document.getElementById(id).className = className;
	return false;
}

/* Form Validation Functions */

function validateTextField(field, regex, message){
	if(!field['value']) return;
	var value = field.value;
	if(value && value.match(regex)) return true;
	field.focus()
	alert(message);
	return false;
}