var RefId = '';
var clicktype = 'qboxa';

function checkKeycode(e){
	if(window.event){
		key_code = window.event.keyCode;
	} else if(e){
		key_code = e.which;
	}
	if(key_code == 13){
		clicktype = 'qboxb';
	}
}

function validateIns(f){
	zipcode = f.zipcode.value;

	if(f.clicktype.value == 'qboxhp'){
		clicktype = 'qboxhp';
	} else if(f.clicktype.value == 'qboxgc'){
		clicktype = 'qboxgc';
	}

	if(zipcode == ''){
		alert('Please enter your zipcode.');
		f.zipcode.focus();
		return false;
	} else if(!validZIP(zipcode)){
		alert('Please enter valid 5-digits zipcode.');
		f.zipcode.focus();
		return false;
	} else {
		http.onreadystatechange = function(){
			if(http.readyState == 4){
				if(http.status == 200){
					urlSite = http.responseText;
					//alert(urlSite);
					document.location = urlSite;
				}
			}
		}

		xmlUrl = '/redirect.php?zipcode=' + zipcode + '&clicktype=' + clicktype;
		http.open('GET', xmlUrl, true);
		http.send(null);

		clicktype = 'qboxa';
	}

	return false;
}