//radio button and checkbox validation
function noneChecked(field) {
	if (numChecked(field) == 0) {
		return true;
	} else {
		return false;
	}
}

function numChecked(field) {
	var count = 0;
	if (undefined == field.length) {
 		if (field.checked) {
 			return 1;    
 		} else {
 			return 0;    
		}
	}
	for (i = 0; i < field.length; i++) {
 		if (field[i].checked) {
  			count++;
 		}
	}
	return count;
}


//dropdown field validation
function noneSelected(field) {
	if(field.selectedIndex < 1) {
		return true;
	} else {
		return false;
	}
}

function ValidateAreaCode(strAreaCode) {
	var intLen, intIdx, cChar;
	var intDigCount = 0;
	if (!strAreaCode) return false;

	// iterate through string, counting numeric characters
	intLen = strAreaCode.length;
	for (intIdx=0; intIdx < intLen; intIdx++) {
		cChar = strAreaCode.charAt(intIdx);
		if (cChar == parseInt(cChar,10)) intDigCount++;
	}
	if (intDigCount >= 3)	return true;
	else return false;
}

function ValidatePhoneNumber(strPhoneNumber) {
	var intLen, intIdx, cChar;
	var intDigCount = 0;
	if (!strPhoneNumber) return false;

	// iterate through string, counting numeric characters
	intLen = strPhoneNumber.length;
	for (intIdx=0; intIdx < intLen; intIdx++) {
		cChar = strPhoneNumber.charAt(intIdx);
		if (cChar == parseInt(cChar,10)) intDigCount++;
	}
	if (intDigCount == 10)	return true;
	else return false;
}

function formatPhone (fld) {
	var phone = fld.value;

// Phone number entered with dashes or dots
	//111-111-1111
	if (phone.length == 12) {
		while (phone.indexOf(".") > -1) {
			phone = phone.replace(".", "-");
		}
		phone = "(" + phone.substr(0, 3) + ") " + 
		phone.substr(4, 3) + "-" + phone.substr(8, 4);
		return phone;
	}

// Phone entered with no punctuation
	//2222222222
	if (phone.length == 10) {
		phone = "(" + phone.substr(0, 3) + ") " + 
		phone.substr(3, 3) + "-" + phone.substr(6, 4);
 		return phone;
	} // end if
	
	//(920) 444-4444
	if (phone.length == 14) return phone;

// we can't deal with this format
	alert("Phone must be entered as:" + 
		"\n\n    999.999.9999 or " + 
        "\n    999-999-9999 or " + 
        "\n    9999999999")
	fld.focus();
 	return phone;
}
function ValidateEmail(strEmail) {
	if (strEmail.indexOf("@") + "" != "-1" && strEmail.indexOf(".") + "" != "-1" && strEmail != "") 
		return true; 
	else return false;
}

function isNum(value) {
  if (!value) return false;
  for(var i = 0; i < value.length; i++) {
    var c = value.charAt(i);
    var ci = parseInt(c);
    if(isNaN(ci)) {
      return false;
    }
  }
  return true;
}

function SetCookie (name,value,expires,path,domain,secure) {
document.cookie = name + "=" + escape (value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : ""); 
}

function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}

function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function DeleteCookie (name,path,domain) {
if (GetCookie(name)) {
document.cookie = name + "=" +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
}

function getPath() {
	var path = window.location.pathname.toLowerCase();
	var nsfPos = path.indexOf(".nsf");
	path = path.substr(0, nsfPos + 5);
	path = path.charAt(path.length-1) == "/" ? path:path+"/"; 
	return path;
}