function expandCourse(rid) {
	ht = $('crss['+rid+']').style.height.split('px');
	//alert(ht[0]);
	if ((parseInt(ht[0]) <= 3) || (isNaN(parseInt($('crss['+rid+']').style.height)))) {
		$('crss['+rid+']').style.height = 0;
		mEl = $('crss['+rid+']');
		ht = mEl.scrollHeight;
		//alert(theight);
		$('exp['+rid+']').style.backgroundImage = 'url(images/c.gif)';
		slide('crss['+rid+']',0,ht,'down',1);
	} else {
		mEl = $('crss['+rid+']');
		ht = mEl.scrollHeight;
		//alert(theight);
		$('exp['+rid+']').style.backgroundImage = 'url(images/p.gif)';
		slide('crss['+rid+']',0,ht,'up',1);
	}
}
function searchCourses() {
	$('clist').innerHTML = "<img src='images/load.gif' />";
	getvars = getAllInputs('form[general]');
	window.setTimeout("ajaxCall('clist','app.php','page=listcourses&'+getvars)",700);
}
function eci(eid) {
	var mEl,ht,mht;
	mEl = $('crssv['+eid+']');
	ht = mEl.scrollHeight;
	mht = mEl.style.height.split('px');
	if ((parseFloat(mht[0]) == '0') || (isNaN(parseFloat(mht[0])))) {
		$('expand['+eid+']').style.backgroundImage = 'url(images/c.gif)';
		slide('crssv['+eid+']',0,ht,'down',1);
	} else {
		$('expand['+eid+']').style.backgroundImage = 'url(images/p.gif)';
		slide('crssv['+eid+']',0,ht,'up',1);
	}
}
function addCourse(acid) {
	getvars = getAllInputs('form[general]');
	getvars += '&suserid='+$('enruser['+acid+']').value;
	getvars += '&acid='+acid;
	$('list').innerHTML = "<img src='images/load.gif' />";
	$('clist').innerHTML = "<img src='images/load.gif' />";
	window.setTimeout("ajaxCall('clist','app.php','page=listcourses&'+getvars)",1200);
	window.setTimeout("ajaxCall('cclist','app.php','page=addcourse&'+getvars)",1);
}
function addWait(acid) {
	getvars = getAllInputs('form[general]');
	getvars += '&suserid='+$('enruser['+acid+']').value;
	getvars += '&acid='+acid;
	$('list').innerHTML = "<img src='images/load.gif' />";
	$('clist').innerHTML = "<img src='images/load.gif' />";
	window.setTimeout("ajaxCall('cclist','app.php','page=addwait&'+getvars)",1);
	window.setTimeout("ajaxCall('clist','app.php','page=listcourses&'+getvars)",1200);	
}
function rE(enrid,hhid) {
	$('list').innerHTML = "<img src='images/load.gif' />";
	getvars = "hhid="+hhid+"&enrid="+enrid;
	getvars += getAllInputs('form[general]');
	window.setTimeout("ajaxCall('cclist','app.php','page=remcourse&'+getvars)",1);
	window.setTimeout("ajaxCall('clist','app.php','page=listcourses&'+getvars)",1200);
}