function bemutato() {
	var w = 741;
	var h = 555;
	var aleft = (screen.width) ? (screen.width-w)/2 : 0;
	var atop = (screen.height) ? (screen.height-h)/2 : 0;
	var features = 'width='+w+', height='+h+', toolbar=no, scrollbar=no, statusbar=no, status=no, left='+aleft+', top='+atop;
	nwnd = window.open('bemutato.php', 'bemutato', features);
}


	function startdlex(filename, dfilename, divid) {
		var dlhere = document.getElementById(divid);
		dlhere.innerHTML = '<div class="" style="margin-top: 10px">Ha a letöltés nem indulna el automatikusan, akkor kattintson az alábbi linkre:</div>'+
							'<div><a href="dlfileex.php?dlfile='+filename+'&filename='+dfilename+'&stat">'+dfilename+'</div>'+
						   '<iframe width="0" height="0" frameborder="0" scrolling="no" src="dlfileex.php?dlfile='+filename+'&filename='+dfilename+'&stat"></iframe>';
	}

	function addToSelect(aselect, aitem) {
		try {
			aselect.add(aitem,null); // standards compliant
		}
		catch(ex) {
			aselect.add(aitem); // IE only
		}
	}