function popup(URL, title, width, height) {

	popWindow(URL, title, width, height);

}



function popWindow(URL, title, width, height) {

	if (!startNewWindow(URL, title, width, height))

		alert("Ooops\n\nYou seem to have a popup blocker. Please disable it to see the page!");

}



function startNewWindow(URL, title, width, height) {

	var host = document.location.host;

	host = host.replace(/./g, "");

	this.name = host + "Main";

	var w = window.open(URL, title, "menubar=no,scrollbars=yes,width=" + width + ",height=" + height + ",resizable=1,status=yes");

	if (w == null) return false;

	return true;

}



function openVideoWindow(videoFile) {

	var videoWindow = open(videoFile, "VideoWindow", "width=320,height=320,screenX=0,screenY=0");

	if (videoWindow = null)

		alert("Ooops\n\nYou seem to have a popup blocker. Please disable it to see the video!");

}



function openFlashVideo(videoFile, width, height) {

	if (width == null || width == "")

		width = 320;

	if (height == null || height == "")

		height = 283;

	var videoWindow = open("/apps/videos/flash_popup.jsp?f=" + videoFile, "VideoWindow", "width=" + width + ",height=" + height + ",screenX=0,screenY=0");

	if (videoWindow = null)

		alert("Ooops\n\nYou seem to have a popup blocker. Please disable it to see the video!");

}



function donate() {

	var host = document.location.host;

	if (host.indexOf(":") > 0)

		host = host.substring(0, host.indexOf(":"));

	var opened = startNewWindow("/apps/s/donations/index.jsp?h=" + host, "SecureDonations", 700, 480);

	if (!opened) {

		alert("You seem to have a popup blocker. We will continue in the main browser window.");

		window.location.href = "/apps/s/donations/index.jsp?h=" + host;

	}

}



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 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 P7_autoLayers() { //v1.2 by PVII

 var g,b,k,f,args=P7_autoLayers.arguments;

 var a = parseInt(args[0]);if(isNaN(a))a=0;

 if(!document.p7setc) {p7c=new Array();document.p7setc=true;

	for (var u=0;u<10;u++) {p7c[u] = new Array();}}

 for(k=0; k<p7c[a].length; k++) {

	if((g=MM_findObj(p7c[a][k]))!=null) {

	 b=(document.layers)?g:g.style;b.visibility="hidden";}}

 for(k=1; k<args.length; k++) {

	if((g=MM_findObj(args[k])) != null) {

	 b=(document.layers)?g:g.style;b.visibility="visible";f=false;

	 for(j=0;j<p7c[a].length;j++) {

		if(args[k]==p7c[a][j]) {f=true;}}

	if(!f) {p7c[a][p7c[a].length++]=args[k];}}}

}



function getRN() {

	return Math.round(Math.random() * 10000);

}



function proxyKiller() {

	var rn = getRN();

	var d = document.location.host;

	var a = document.getElementsByTagName("a");

	var ua = navigator.userAgent;

	var isWinIE = ua != null && ua.indexOf("MSIE") >= 0 && ua.indexOf("Windows") >= 0;

	for (i = 0; i < a.length; i++) {

		var h = a[i].href;

		if (h.indexOf("javascript") < 0 && h.indexOf("&rn=") < 0 && h.indexOf("?rn=") < 0 && h.indexOf("#") < 0 && (h.indexOf("http://" + d) == 0 || h.indexOf("https://secure.educationalnetworks.") == 0)) {

			var inner = a[i].innerHTML;

			if (h.indexOf("?") >= 0)

				a[i].href += "&rn=" + rn;

			else

				a[i].href += "?rn=" + rn;

			if (a[i].innerHTML != inner)

				a[i].innerHTML = inner;

		}

	}

}



function trimString(inputString) {

   if (typeof inputString != "string") return inputString;

   var retValue = inputString;

   var c = retValue.substring(0, 1);

	

   while (c == " " || c == "\n" || c == "\r" || c == "\t") {

      retValue = retValue.substring(1, retValue.length);

      c = retValue.substring(0, 1);

   }

   c = retValue.substring(retValue.length - 1, retValue.length);

	

   while (c == " " || c == "\n" || c == "\r" || c == "\t") {

      retValue = retValue.substring(0, retValue.length - 1);

      c = retValue.substring(retValue.length - 1, retValue.length);

   }

   return retValue;

}



function validatePositiveInteger(val) {

	if (val == null || val == "")

		return false;

	var alphabet = "0123456789";

	for (i = 0; i < val.length; i++) {

		if (alphabet.indexOf(val.charAt(i)) < 0)

			return false;

	}

	return true;

}



function rotatePics(name, numPics, interval) {

	var pic = document.getElementById(name);

	var path;

	do {

		path = "/pics/" + name + "/" + Math.floor(Math.random() * numPics) + ".jpg";

	} while (pic.src.indexOf(path) >= 0);

	

	pic.src = path;

	

	setTimeout('rotatePics("' + name + '",' + numPics + ',' + interval + ')', interval);

}



function setCookie(sName, sValue, expires) {

	if (expires != null && expires != "")

		document.cookie = sName + "=" + escape(sValue) + "; path=/; expires=" + expires;

	else

		document.cookie = sName + "=" + escape(sValue) + "; path=/;";

}



function getCookie(sName) {

	var aCookie = document.cookie.split("; ");

	for (var i=0; i < aCookie.length; i++) {

		var aCrumb = aCookie[i].split("=");

		if (sName == aCrumb[0]) 

			return unescape(aCrumb[1]);

	}

	

	return null;

}



function delCookie(sName) {

	document.cookie = sName + "=x ; expires=Fri, 31 Dec 1999 23:59:59 GMT;";

}