function insert_youtube_video(el_id, id){
	video_url = window.prompt('Geben Sie die URL des Videos ein.', 'http://www.youtube.de');
	if(video_url != null && video_url != '' && video_url != 'http://www.youtube.de'){
		width = window.prompt('Geben Sie die Breite ein.', '420');
		height = window.prompt('Geben Sie die Breite ein.', '315');
		
		if(video_url.indexOf('/embed/') == -1){
			video_url = video_url.split('?').join('&');
			exp = video_url.split('&');
			
			i = 0;
			found = false;
			video_code = '';
			while(exp[i] != null && found == false){
				sub_param = exp[i];
				if(sub_param.indexOf('v=') != -1){
					found = true;
					video_code = sub_param.split('v=').join('');
					video_url = 'http://www.youtube.com/embed/' + video_code; 
				}
				i++;
			}
		}
	
		if (width != null && width != '' && height != null && height != '') {
			end_text = '[special_ext=youtube_video|video_url=' + video_url + '|width=' + width + '|height=' + height + ']';
			
			window.opener.insert_at_cursor(id, end_text, el_id);
			window.opener.js_preview(id, el_id);
			window.close();
		}
	}
}