/*
Specific script validation 
Q5 Media - Chris Queen
*/

function validateZIP(field) {
	
	var valid = "0123456789-";
	var hyphencount = 0;
	
	var strMsg = "";
	
	rfvOff();

	if (field.length!=5 && field.length!=10) {
		strMsg = "Please enter your 5 digit or 5 digit+4 zip code.";
		rfvOn();
		return false;
	}
	for (var i=0; i < field.length; i++) {
		temp = "" + field.substring(i, i+1);
		if (temp == "-") hyphencount++;
		if (valid.indexOf(temp) == "-1") {
			strMsg = "Invalid characters in your zip code.  Please try again.";
			rfvOn();
			return false;
		}
		if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-")) {
			strMsg = "The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.";
			rfvOn();
			return false;
		  }
	}
	
	if(strMsg != "") setRFVMessage(strMsg)
return true;
}

function setRFVMessage(strMsg) {
	var e = document.getElementById("rfvZip");
	try {
		e.innertext = strMsg;
	}
	catch(e) {
		// ignore
	}
}
function rfvOn() {
	var e = document.getElementById("rfvZip");
	e.style.display = "block";
}

function rfvOff() {
	var e = document.getElementById("rfvZip");
	e.style.display = "none";
}