var is_live = 0;

var display ="";

function getPosition() {
  aktuelleVideoPosition = document.MediaPlayer.controls.currentPosition;
}

function tcToSec(tc) {
	var hour;
	var min;
	var sec;
	hour = parseInt(tc.slice(0,2));
	min = parseInt(tc.slice(3,5));
	sec = parseInt(tc.slice(6));
	hour_to_sec = hour * 3600;
	min_to_sec = min * 60;
	return hour_to_sec + min_to_sec + sec;
}

function comparePosition() {
 	var cur_pos = parseInt(aktuelleVideoPosition);
	for (i = 0; i < trigger.length; i++) {
			if (cur_pos >= tcToSec(trigger[i][0]) && (i == trigger.length-1 || cur_pos < tcToSec(trigger[i+1][0]))) {
					if (trigger[i][1] != aktuelleFolie) {
					  aktuelleFolie = trigger[i][1];
					  showChart();
					}
					break;
			}
  	}
}



function showChart() {
     if (is_live == 0) {
      UrlzurFolie = folienVerzeichnis + '/' + sprechername + '/' + aktuelleFolie;
     } else {
      UrlzurFolie = server + '/' + display;
     }
    parent.document.getElementById("anzeigebereich_charts").style.backgroundImage = 'url('+UrlzurFolie+')';
}

function showExternalContent() {
     if (is_live == 0) {
      getPosition();
      comparePosition();
      setTimeout('showExternalContent()',1000);
     } 
}