var updater;
var uploader;
Event.observe(window, 'load', init_app);
var unique = '7dghgw';
function init_app(event) {
	var rules = {
		 }
	Behaviour.register(rules);
	Behaviour.apply(rules); 
	uploader = new AjaxUpload('upload_button', {
		action: './index.php',
		autoSubmit: true,
		name: 'file',
		data: {
    		'UPLOAD_IDENTIFIER' : unique
    	},
		onSubmit: function(file,ext) {
				if (! (ext && /^(pdf)$/.test(ext))){
                        $('progress').innerHTML = 'Nur PDF erlaubt.';
                        return false;
                }
	//	 	$('uploader').style.display='block';
		 	$('progress').show();
		    updater = new Ajax.PeriodicalUpdater('progress', './lib/progress.php', {asynchronous:true, frequency:0.4,postBody:'uniq=' + unique});
		    uploader.disable();
		 },
		onComplete: function(file, response) {
		
			$('progress').innerHTML="";
			updater.stop();
		 	uploader.enable();
		 	
			mytab.show($('raw'));
			mytab.hide($('upload'));
   			}
		});
}