var indexTextoAtual;
var textoAtual;			

function srtToSeconds(srt) {

	var arr = srt.split(":");
	var hours = arr[0];
	var minutes = arr[1];	
	var seconds = arr[2].replace(',', '.');
	return parseFloat(hours) * 60 * 60 + parseFloat(minutes) * 60 + parseFloat(seconds);

} 			

function saveSub() {
	
	var txa = document.getElementById('subcurrent');
	if (txa.value != "") {
		var title = document.getElementById('titles' + indexTextoAtual);
		title.innerHTML = txa.value;
		txa.value = "";
	}

}

function showSubtitle(num) {

	var textarea = document.getElementById('subcurrent');
	var titles = document.getElementById('titles' + num);				
	textarea.value = "";
	textarea.value = titles.innerHTML;
	indexTextoAtual = num;

}


function changeSubtitle() {

	var txa = document.getElementById("subcurrent");

	var subsContainer = document.getElementById("subtitle");
	var childs = subsContainer.childNodes;

	childs[Number(indexTextoAtual)-1].innerHTML =  txa.value;
					
}