function roll(imgName,imgState) {
	document.images[imgName].src = "/images/nav/" + imgName + "_" + imgState + ".gif";
}
function swapImage(imgName, src1, src2) {
	var curImg = "" + document.images[imgName].src;
	if( curImg.indexOf(src1) >= 0 ) {
		document.images[imgName].src = src2;
	} else {
		document.images[imgName].src = src1;
	}
}
// Preload Rollover Images
if (document.images) {
	image1 = new Image(); image1.src = "/images/nav/main_career_tools_ON.gif";
	image2 = new Image(); image2.src = "/images/nav/main_continuing_education_ON.gif";
	image3 = new Image(); image3.src = "/images/nav/main_create_profile_ON.gif";
	image4 = new Image(); image4.src = "/images/nav/main_teaching_central_ON.gif";
	image5 = new Image(); image5.src = "/images/nav/main_admin_tools_ON.gif";
	image6 = new Image(); image6.src = "/images/nav/main_create_position_ON.gif";
	image7 = new Image(); image7.src = "/images/nav/main_professional_development_ON.gif";
	image8 = new Image(); image8.src = "/images/nav/main_recruiting_central_ON.gif";
	image9 = new Image(); image9.src = "/images/nav/main_reports_nclb_ON.gif";
	image10 = new Image(); image10.src = "/images/nav/main_statistics_ON.gif";
	image11 = new Image(); image11.src = "/images/nav/main_my_profile_ON.gif";
	
	
	image100 = new Image(); image100.src = "/images/spacer.gif";
}
function confirmRequest(obj,url,msg) {
	if (confirm(msg)) {
		obj.disabled=true;
		self.location.href=url;
	}
}
// Date Setup
dayName = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
monthName = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
now = new Date();
// Function to create pop-up windows at a custom size.
// w = width
// h = height
// d = directories
// l = location
// m = menubar
// r = resizeable
// sc = scrollbars
// st = status
// t = toolbar
// EXAMPLE CALL: <a href="javascript:popUp('[URL]','[WINDOW NAME]',400,300,1,1,0,0,0,0,0);">LINK</a>
function popUp(URL,name,w,h,d,l,m,r,sc,st,t) {
	var featureStr = "";
	featureStr = "width=" + w + ",height=" + h + ",directories=" + d + ",location=" + l + ",menubar=" + m + ",resizable=" + r + ",scrollbars=" + sc + ",status=" + st + ",toolbar=" + t;
	var hwin = window.open(URL,name,featureStr);
	if(window.focus) {
		hwin.focus();
	}
}
var mac = (navigator.userAgent.indexOf("Mac") != -1); 
function printPage() {
	if (mac) {
		alert("Sorry, your browser doesn't support this feature. Please use your browser's print functionality.");
		} else {
		window.print();
	}
}
// Disables any form fields. These should be passed in as extra arguments to the function
function disableFields(curForm) {
	var i;
	for( i=1; i<arguments.length; i++ ) {
		curForm.elements[ arguments[i] ].disabled = true;
	}
}

//Enables any form fields. These should be passed in as extra arguments to the function
function enableFields(curForm) {
	var i;
	for( i=1; i<arguments.length; i++ ) {
		curForm.elements[ arguments[i] ].disabled = false;
	}
}

//Function to format a phone number
function formatPhone(field) {
	var newValue = "";
	newValue = field.value.replace(/\D/g,"");
	if (newValue.length == 10) {
		var area = newValue.substring(0,3);
		var prefix = newValue.substring(3,6);
		var suffix = newValue.substring(6,10);
		newValue = area + "-" + prefix + "-" + suffix;
		field.value = newValue;
	} else {
		// do nothing!
	}
}

//Sets the designated form field to the given value
function setField(curFormField, val) {
	curFormField.value = val;
}

//Sets the designated form field to the given value
function setFieldAndSubmit(curForm, curFormField, val) {
	if (document.forms[curForm] && curForm && curFormField && val) {
		document.forms[curForm].elements[curFormField].value = val;
		document.forms[curForm].submit();
	}
}

// CLEARS all checkboxes in a set of results
function clearAll(formName,elementName){
	var checkElements = document.forms[formName].elements;

	for( i = 0 ; i < checkElements.length ; i++ ){
		if( checkElements[i].name == elementName ){
			checkElements[i].checked = false;
			}
		}
}
// SELECTS all checkboxes in a set of results
function selectAll(formName,elementName){
	var checkElements = document.forms[formName].elements;

	for( i = 0 ; i < checkElements.length ; i++ ){
		if( checkElements[i].name == elementName ){
			checkElements[i].checked = true;
			}
		}
}
// Only allows form to be submitted once. Upon submission the button is then automatically disabled to prevent accidental second submission.
var submitted = false; 
function doSubmit(form) {
	if (!submitted) {
		submitted = true;
		form.submit();
	}
}
function goTo(URL) {
	if (!submitted) {
		submitted = true;
		self.location.href=URL;
	}
}
// Passes login information to the parent window and submits the login form from that parent page.
function handleLoginFromPopup(formName) {
	opener.document.forms['LoginForm'].userName.value = document.forms[formName].userName.value;
	opener.document.forms['LoginForm'].userPassword.value = document.forms[formName].userPassword.value;
	opener.document.forms['LoginForm'].submit();
	window.close();
}
function selectUser( url,	val ) {
	var newUrl = url + "?id=" + val.value;
	window.location =	newUrl ;
}
function closePopIn( popInID ) {
	document.getElementById( popInID ).style.display="none";
}
// Used in TSN Admin to toggle a section on and off depending on a select-box (selectedIndex)
function checkValue( index ) {
	if (index != 0) {
		document.getElementById("toggleContainer").style.display="block";
	} else {
		document.getElementById("toggleContainer").style.display="none";
	}
}
var xmlHttpRequestErrorPage = "/SysError.do";
function getHTTPObject() {
	var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
	try {
	  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
	  try {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	  } catch (E) {
		window.location.replace(xmlHttpRequestErrorPage);
		xmlhttp = false;
	  }
	}
  @else
  xmlhttp = false;
  @end @*/
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
	try {
		xmlhttp = new XMLHttpRequest();
	} catch (e) {
		xmlhttp = false;
		window.location.replace(xmlHttpRequestErrorPage);
	}
	}
	return xmlhttp;
}

function Cookie(document, name, expiration, path, domain, secure){
	this._document = document;
	this._name = name;

	if(expiration)
		this._expiration = expiration
	else this._expiration = null;
	
	if(path) this._path = path;
	else this._path = null;
	
	if(domain) this._domain = domain;
	else this._domain = null;
	
	if(secure) this._secure = secure;
	else this._secure = false;
}

function _Cookie_store(){
	this._document.cookie = this.toString();
}

function _Cookie_load(){
	var ok = false;
	
	var cookieStr = this._document.cookie;
	//alert(unescape(cookieStr));
	if (cookieStr && cookieStr != "")
	{
		var start = cookieStr.indexOf(this._name + '=');
		if(start != -1)
		{
			start += this._name.length + 1;
			var end = cookieStr.indexOf(';', start);
			if (end == -1) end = cookieStr.length;
			var cookieVal = cookieStr.substring(start, end);
			
			var a = cookieVal.split('&');
			for(var i = 0; i < a.length; i++)
				a[i] = a[i].split(':');
				
			for(var i = 0; i < a.length; i++)
				this[a[i][0]] = unescape(a[i][1]);

			ok = true;
		}
		/*else
			alert("cookie " + this._name + " not found");*/
	}
	return ok;
} // _Cookie_load()

function _Cookie_remove()
{
	var cookie = this._name + '=';
	if (this._path) cookie += '; path=' + this._path;
	if (this._domain) cookie += '; domain=' + this._domain;
	cookie += '; expires=Fri, 02-Jan-1970 00:00:00 GMT';
	
	this._document.cookie = cookie;
}

function _Cookie_toString()
{
	var cookieval = "";
	for(var prop in this)
	{
		if ((prop.charAt(0) != '_') && (typeof this[prop] != 'function'))
		{
			if (cookieval != "") cookieval += '&';
			cookieval += prop + ':' + escape(this[prop].toString());
		}
	}
	var cookieStr = this._name + '=' + cookieval;
	
	if(this._expiration) cookieStr += '; expires=' + this._expiration.toString();
	if(this._path) cookieStr += '; path=' + this._path;
	if(this._domain) cookieStr += '; domain=' + this._domain;
	if(this._secure) cookieStr += '; secure=' + secure;
	
	return cookieStr;
}

Cookie.prototype.store = _Cookie_store;
Cookie.prototype.load = _Cookie_load;
Cookie.prototype.remove = _Cookie_remove;
Cookie.prototype.toString = _Cookie_toString;

function getkey(e)
{
if (window.event)
	return window.event.keyCode;
else if (e)
	return e.which;
else
	return null;
}

function checkChars(e, validChars)
{
var key, keychar;
key = getkey(e);
if (key == null) return true;

keychar = String.fromCharCode(key);
keychar = keychar.toLowerCase();
checks = validChars.toLowerCase();

if (checks.indexOf(keychar) != -1)
	return true;

if ( key==null || key==0 || key==8 || key==9 || key==13 || key==27 )
	return true;

return false;
}

function checkNumeric(e){
	return checkChars(e,'01234567890');
}
var isLoaded = false;
function enterSubmit(field,e,formName) {
	if (isLoaded) {
		var keycode = getkey(e);

		if (keycode == 13) {
			document.getElementById(formName).submit();
			return false;
		} else {
			return true;
		}
	} else {
		return true;
	}
}

function getFormObject(objectId) {
	if (document.all && !document.getElementById) {
		return document.all(objectId);
	} else {
		return document.getElementById(objectId);
	}
 }
 
 function showDiv( divToShow ) {
	var pDiv = getFormObject(divToShow);
	pDiv.style.display = "block";
} 

function hideDiv( divToHide ) {
	var pDiv = getFormObject(divToHide); 
	pDiv.style.display = "none";
}