var jobsQueue=0;
var isListening=false;
var isHover=true;
function ShrinkGrow(element,event) {
	var posWithin=false;
	try {posWithin=Position.within(element,event.clientX,event.clientY)} catch(e) {}
	if ((posWithin) && (!isHover)) {isHover=true;new Effect.Appear('iboxcontent');}
	if ((!posWithin) && (isHover)) {isHover=false;new Effect.Fade('iboxcontent');}
}
function loadInit() {
	triggerChain();
}
function fixizeDiv(div) {}
function relativizeDiv(div) {}
function triggerChain() {
	Ajax.Responders.register({onCreate:aCreate,onComplete:aComplete,onFailure:aFailure});
	new Ajax.Updater("header","/usages/divhf.php",{method:"post",parameters:"d=h",evalScripts:true});
	new Ajax.Updater("footer","/usages/divhf.php",{method:"post",parameters:"d=f&p="+encodeURIComponent('USA Grade Entry System'),evalScripts:true});
	new Ajax.Updater("sidebar","/usages/divhf.php",{method:"post",parameters:"d=s",evalScripts:true});
	new Ajax.Updater("authdiv","/usages/authform.php",{method:"post",evalScripts:true});
}
function setStatusTop() {
  $("statusbox").style.top=jt_scrollTop()+"px";
}
function displayStatus(jq) {
 	var div=$("statusbox");
	if (jq>0) {
		var s='Loading ... '; if (jq>1) s+='<br />'+jq+' job(s) pending.';
		var contents='<table><tr><td><img class="statImg" src="/images/wait.gif" /></td><td><div class="statMsg">'+s+'</div></td></tr></table>';
		var leftMargin=0;
		var winW=jt_winW();
		div.innerHTML=contents;
		div.style.display="block";
		div.style.visibility="visible";
		div.style.top=jt_scrollTop()+"px";
		div.style.left=(winW-div.offsetWidth-leftMargin)+"px";
		while ((div.style.left.replace('px','')/1+div.offsetWidth+leftMargin)>winW) {
			div.style.left=(winW-div.offsetWidth-leftMargin)+"px";
		}
		// note:: firefox does not add same listener more than once, but IE does, hence the checking
		if (!isListening) {
			isListening=true;
			jt_AddListener(window,"scroll",setStatusTop);
		}
	}
	else {
		div.style.visibility="hidden";
		div.style.display="none";
		div.innerHTML="";
		isListening=false;
		jt_RemListener(window,"scroll",setStatusTop);
	}
}
//normal sequence: create,loading,loaded,interactive,complete
function aCreate() {
	jobsQueue++;
	displayStatus(jobsQueue);
	enableControls($("xform"),false); // prototype enabling/disabling forms is too slow
}
function aFailure() {alert('An unknown error has occured.')}
function aComplete() {
	jobsQueue--;
	displayStatus(jobsQueue);
	enableControls($("xform"),true); // prototype enabling/disabling forms is too slow
}
function submitFeedback(f) {
	var emailaddy=$("emailaddy").value||"";
	var message=$("message").value||"";
	if ((emailaddy) && (message)) {
		var params=Form.serialize(f);
		new Ajax.Updater("authmsg","/usages/feedback.php",{method:"post",parameters:params,evalScripts:true});
	}
	else {
		if (!emailaddy) MyAppAlert("Please enter something for your email address.");
		else if (!message) MyAppAlert("Please enter something for your message.");
	}
	return false;
}
function confirmUnload() {	
  if (jobsQueue>0) {
		return "You have pending updates. If you navigate away from this page, you might lose any unsaved data.";
	}	
}
function returnToParent() {
	history.back();
}var aPromptBox1=null;
var aPromptBox2=null;
var aConfirmBox=null;
var $par=null;
var strNullMark="---";
function orderBy(obj) {
	window.location.search="?s="+$(obj).selectedIndex;
}
function populateList() {
	var su=$("xsubjid");
	var sn=$("xsectionid");
	if (su.options.length==0) refreshDataset(0);
	if (sn.options.length==0) refreshDataset(1);
}
function enableControls(f,enable) {
	if (f) {
		for (var i=0; i<f.elements.length; i++) {
			if ((enable) && (f.elements[i].enable)) f.elements[i].enable();
			if ((!enable) && (f.elements[i].disable)) f.elements[i].disable();
		}
	}
}
function confirmNo() {}
function iQ(ev,obj,par) {
	$par=par;
	var initData=($(obj).innerHTML).unescapeHTML();
	var e=jt_fixE(ev);
	if (initData==strNullMark) initData="";
	if (aPromptBox1==null) {
		aPromptBox1=new selectPrompt(null,confirmYes,confirmNo,$jsGradesSelection,"jsGradeListID",'<div class="promptLabel">Please enter grade:</div>');
		aPromptBox1.setTitle("Enter Grade");
	}
	aPromptBox1.moveTo(Event.pointerX(e),Event.pointerY(e));
	aPromptBox1.askUser(initData);
	aPromptBox1.focus(); // required for IE
}
function iQ2(ev,obj,par) {
	$par=par;
	var initData=($(obj).innerHTML).unescapeHTML();
	var e=jt_fixE(ev);
	if (initData==strNullMark) initData="";
	if (aPromptBox2==null) {
		aPromptBox2=new jt_AppPrompt(null,confirmYes,confirmNo,'<div class="promptLabel">Please enter remarks:</div>');
		aPromptBox2.setTitle("Enter Remarks");
	}
	aPromptBox2.moveTo(Event.pointerX(e),Event.pointerY(e));
	aPromptBox2.askUser(initData);
	aPromptBox2.focus(); // required for IE
}
function closeGradeSheet() {
	var gradeEntry=$('gradeentry');
  gradeEntry.innerHTML='';
	gradeEntry.style.display="none";
	fixizeDiv('header');
	fixizeDiv('authdiv');
	fixizeDiv('footer');
	//window.print();
	return false;
}
function writeTo(suffix,prefix) {
  document.write('mai'+'lto:'+prefix+'@'+suffix);
}
function sessionDestroyOK() {
	new Ajax.Updater("authmsg","/usages/divhf.php",{method:"post",parameters:"d=l",evalScripts:true});
}
function sessionDestroy() {
	if (aConfirmBox==null) {
		aConfirmBox=new jt_AppConfirm(jt_AppAlert.Warning,sessionDestroyOK);
		aConfirmBox.setTitle(i18N_MyAppAlert);
		aConfirmBox.setContent("Are you sure you want to log-out?");
	}
	aConfirmBox.show();
	aConfirmBox.moveTo(alertX,alertY);
	return false;
}document.write('<link rel="stylesheet" href="/css/usages.css" type="text/css" />');
document.write('<link rel="stylesheet" href="/css/dlgbox.css" type="text/css" />');
document.write('<link rel="stylesheet" href="/css/veils.css" type="text/css" />');
document.write('<link rel="stylesheet" href="/css/rcs.css" type="text/css" />');
document.write('<link rel="stylesheet" href="/css/rcp.css" type="text/css" media="print" />');
document.write('<script src="/js/dom-drag.js" type="text/javascript"></script>');
document.write('<script src="/js/dlgbox.js" type="text/javascript"></script>');
document.write('<script src="/js/prototype.js" type="text/javascript"></script>');
document.write('<script src="/js/aculo/scriptaculous.js?load=effects" type="text/javascript"></script>');
document.write('<script src="/js/rc.js" type="text/javascript"></script>');
document.write('<script src="/js/hai.js" type="text/javascript"></script>');
document.write('<script src="/usages/re.php" type="text/javascript"></script>');
document.write('<script src="/usages/jsgrades.php" type="text/javascript"></script>');document.write('<div id="header"></div>');
document.write('<div id="authdiv"></div>');
document.write('<div id="sidebar"></div>');
document.write('<div id="gradeentry"></div>');
document.write('<div id="authmsg"></div>');
document.write('<div id="statusbox"></div>');
document.write('<div id="footer"></div>');
window.onload=loadInit;
window.onbeforeunload=confirmUnload;