/*
AJAX Functionality
*/
// declare a global  XMLHTTP Request object
var XmlHttpObj;

// create an instance of XMLHTTPRequest Object, varies with browser type, try for IE first then Mozilla
function CreateXmlHttpObj()
{
	// try creating for IE (note: we don't know the user's browser type here, just attempting IE first.)
	try
	{
		XmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			XmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch(oc)
		{
			XmlHttpObj = null;
		}
	}
	// if unable to create using IE specific code then try creating for Mozilla (FireFox) 
	if(!XmlHttpObj && typeof XMLHttpRequest != "undefined") 
	{
		XmlHttpObj = new XMLHttpRequest();
	}
}
function ajaxXml()
{
	// state ==4 indicates receiving response data from server is completed
	if(XmlHttpObj.readyState == 4)
	{
		// To make sure valid response is received from the server, 200 means response received is OK
		if(XmlHttpObj.status == 200)
		{			
			//alert("XML status is 200");
			ProvideFeedback(XmlHttpObj.responseXML.documentElement);
		}
		else
		{
			//return "There was a saving your email address.";
			alert("There was a saving your email address.");
		}
	}
}
function GetInnerText (node)
{
	 return (node.textContent || node.innerText || node.text) ;
}
function placevote() {
	var quizid = document.getElementById("quizid").value;
	var ansid = document.getElementById("ansid").value;
	var url = "viewvotes.php?height=300&width=500&modal=true&answer=" + ansid + "&quizid=" + quizid;
	init(url);
}
function setanswer(thisvalue) {
	document.getElementById("ansid").value = thisvalue;
}
function searchsite() {
	document.searchform.submit();
}
function ProvideFeedback(productNode)
{
	//alert("Populating project list");
	var productList = document.getElementById("rosterid");
	var productNodes = productNode.getElementsByTagName('statusid');
	var idValue;
	var textValue; 
	var optionItem;
	textValue = GetInnerText(productNodes[0]);
	document.getElementById("formfeedback").innerHTML = textValue;						
	document.getElementById("formfeedback").style.display = "block";
	document.getElementById("formfield").style.display = "none";
}
function newslettersignup() {
	//get value of the email address
	var filter = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	var emailadd = document.getElementById("bulldogemail").value;
	//alert(emailadd);
	if(filter.test(emailadd)) {
		var requestUrl;
		requestUrl = "newslettersignupxml.php" + "?bulldogemail=" + encodeURIComponent(emailadd);
		CreateXmlHttpObj();
		if(XmlHttpObj)
		{
			//alert(ajaxXml);
			XmlHttpObj.onreadystatechange = ajaxXml;
			XmlHttpObj.open("GET", requestUrl,  true);
			XmlHttpObj.send(null);		
		}
	}
	else {
		document.getElementById("formfeedback").innerHTML = "<span style='color: #ff0000'>You have entered an invalid email.  Enter a valid email address and submit the form again.</span>";						
		document.getElementById("formfeedback").style.display = "block";
	}
}
/*
NORMAL JS Functions
*/
function submitform() {
	document.searchform.submit();
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function emptytext(thisitem) {
	thisitem.value = "";
}
function emptytextinit(thisitem, thisorig) {
	if(thisorig == thisitem.value) {
		thisitem.value = "";	
	}
}
function restoretext(thisitem, thistext) {
	if(thisitem.value == "") {
		thisitem.value = thistext;
	}
}
function sortresults(thisfield) {
	document.staffsearchform.sortcolumn.value = thisfield;
	document.staffsearchform.submit();
}
function viewpageid(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '?id=' + thisid, 'viewpage', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpagephoto(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '?id=' + thisid, 'photopage', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpagephoto_big(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '?id=' + thisid, 'photopage_large', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpage(thispage, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage, 'viewpage2', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewimage(thisimg, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open('viewimage.php?id=' + thisimg, 'viewphoto', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	//alert('viewimage.php?id=' + thisimg);
	thiswindow.focus();
}
function viewphotogallery(thisimg, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open('viewphotogallery.php?id=' + thisimg, 'viewphotogallery', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	//alert('viewimage.php?id=' + thisimg);
	thiswindow.focus();
}
function closethiswindow() {
	window.close();
	window.opener.focus();
}
function submitnewsform() {
		document.viewschoolnews.submit();
}
function eventcalmonth(thism, thisy, thispage) {
	if(thispage == undefined) {
		thispage = "calendarofevents.php";
	}
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.m.value = thism;
	document.showcaloptions.y.value = thisy;
	document.showcaloptions.em.value = thism + "/" + thisy;
	//alert(document.showcaloptions.m.value);
	//alert(document.showcaloptions.y.value);
	document.showcaloptions.action = thispage;
	//alert(document.showcaloptions.action);
	document.showcaloptions.submit();
}
function eventcalchangewk(thiswk, thispage) {
	if(thispage == undefined) {
		thispage = "calendarofevents.php";
	}
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.wk.value = thiswk;
	//alert(document.showcaloptions.wk.value);
	//alert(document.showcaloptions.y.value);
	document.showcaloptions.action = thispage;
	//alert(document.showcaloptions.action);
	document.showcaloptions.submit();
}
function eventcalchangeem(thisem, thispage) {
	if(thispage == undefined) {
		thispage = "calendarofevents.php";
	}
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.em.value = thisem;
	//alert(document.showcaloptions.em.value);
	//alert(document.showcaloptions.y.value);
	document.showcaloptions.action = thispage;
	//alert(document.showcaloptions.action);
	document.showcaloptions.submit();
}
function eventcalchangeday(thisd, thispage) {
	if(thispage == undefined) {
		thispage = "calendarofevents.php";
	}
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.d.value = thisd;
	//alert(document.showcaloptions.em.value);
	//alert(document.showcaloptions.y.value);
	document.showcaloptions.action = thispage;
	//alert(document.showcaloptions.action);
	document.showcaloptions.submit();
}

function eventcalwk(thisdate) {
	document.showcaloptions.wk.value = thisdate;
	document.showcaloptions.submit();
}
function eventcalday(thisdate) {
	document.showcaloptions.d.value = thisdate;
	document.showcaloptions.submit();
}
// function to process calendar clicks
function calendarClick(caldate, calcell) {
	var currcolor = document.getElementById(calcell).style.backgroundColor;
	var currdates = window.parent.document.frmUpdate.selecteddates.value;
	var alreadyexists = -1;
	var alreadyexists = currdates.indexOf(caldate)
	if(currcolor == "#e2e2e2" || alreadyexists > 0) {
		//this means we are removing from the calendar
		var replacekey = "|" + caldate;
		currdates = currdates.replace(replacekey, "");
		window.parent.document.frmUpdate.selecteddates.value = currdates;
		document.getElementById(calcell).style.backgroundColor = '#ffffff';
	}
	else {
		//this means we are adding to the calendar
		currdates = currdates + "|" + caldate + "|";
		window.parent.document.frmUpdate.selecteddates.value = currdates;
		document.getElementById(calcell).style.backgroundColor = '#e2e2e2';
	}
	//alert(window.parent.document.frmUpdate.selecteddates.value);
}
function highlightcurrentdates() {
	var selecteddates = window.parent.document.frmUpdate.selecteddates.value;
	var eachdate = selecteddates.split("|");
	for(i = 0; i < eachdate.length; i++) {
		if(eachdate[i] != "") {
			var callid = "cell" + eachdate[i].replace("/", "");
			callid = callid.replace("/", "");
			//alert(callid);
			if(document.getElementById(callid)) {
				document.getElementById(callid).style.backgroundColor = '#e2e2e2';
			}
		}
	}
}

function showdiv(thisdiv) {
	var thiscurrdiv_nav_off =  "header_plus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_off).style.display = "none";
	var thiscurrdiv_nav_on =  "header_minus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_on).style.display = "block";
	var thiscurrdivon =  "content_" + thisdiv;
	document.getElementById(thiscurrdivon).style.display = "block";
}
function hidediv(thisdiv) {
	var thiscurrdiv_nav_off =  "header_plus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_off).style.display = "block";
	var thiscurrdiv_nav_on =  "header_minus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_on).style.display = "none";
	var thiscurrdivon =  "content_" + thisdiv;
	document.getElementById(thiscurrdivon).style.display = "none";
}