function validate() {
	errors = 0;
	for (var i = 0; i < arguments.length; i++) {
	        if($(arguments[i]).value == '') {
				$(arguments[i]).style.border = '1px solid red';
				errors++;
			} else {
				$(arguments[i]).style.border = '1px solid #996699';
			}
	}
	if(errors > 0) {
		alert('Please ensure you have filled in all required fields');
		return false;
	} 
}