// JavaScript Document

function resizeFrame() {
	
	var h = ($(window).height() - 600) / 2;
	
	$("#wrapper").css('margin-top', h + 'px');

	
}

function showInlinePopup (element) {
	
	if ($(element).is(':not(:visible)'))
		$(element).fadeIn();
	
}

function closeInlinePopup (element) {

	if ($(element).is(':visible'))
		$(element).fadeOut();
	
}

function doPopup (elm) {
	
	var element = $('#popup_' + elm);
	if ($(element).is(':visible'))
		closeInlinePopup ($(element)); 
	else
		showInlinePopup ($(element)); 
		
	if (elm == 'design') {
		
		element = $('#popup_proefschriften');
		
		if ($(element).is(':visible'))
			closeInlinePopup ($(element)); 
		else
			showInlinePopup ($(element)); 
		
	}
			
}

function resetMainNav() {

	$('nav a').each(function() {
		$(this).children('img').attr('src', $(this).children('img').attr('src').replace('2.gif', '1.gif'));
	});
	
}

function resetSubNav() {
	
	$('#subnav a').removeClass('subnav_active');
	
}

function startCallback() {
	$('#upload_submit').css('background-image', 'url(/images/upload_bezig.gif)');
	return true;
}

function completeCallback(response) {
	if (response == 'error')
		$('p#upload_error').html('GEEN BESTAND GESELECTEERD.');
	else
		$('#login_content').load ('/ajax.php', { cmd: 'fileListing', dir: response });
		
	$('#upload_submit').css('background-image', 'url(/images/upload_gereed.gif)');
	window.setTimeout (function() { $('#upload_submit').css('background-image', 'url(/images/upload_upload.gif)'); }, 5000);
	return false;
}