function validate() {
	var errors = 0;

	$("[required]").removeClass("required").each( function(i, elem) {
		if ($(elem).val().length <= 0) {
			$(elem).addClass("required");
			errors++;
		}
	});

	if ($("input[name=employees]:checked").length <= 0) {
		$("#radioerror").addClass("required");
		$("#radioerror").removeClass("white");
		errors++;
	} else {
		$("#radioerror").addClass("white");
		$("#radioerror").removeClass("required");
	}
	
	if (errors > 0) {
		alert("Please fill out all required(*) fields before submitting. Thank you.");
		return false;		
	} else {
		
		$("#main_form").submit();

	}
	
}