// JavaScript Document

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

//funciones del manejo de flowplayer
function getVersion() {
	alert($f("player").getVersion());
}
function playFlow() {
	$f("player").play();
}
function stopFlow() {
	$f("player").stop();
}
function pauseFlow() {
	$f("player").pause();
}
function hideFlow(){
	$f("player").hide();
}
function showFlow(){
	$f("player").show();
}

//Devuelve un string sin espacios en blanco al principio y al final 
function trim(auxTxt){
ini = /^ /;//Espacio en blanco al principio 
fin = / $/;//Espacio en blanco al final 
txt = new String(auxTxt); 
while(txt.search(ini)!=-1){ 
txt=txt.replace(ini,""); 
} 
while(txt.search(fin)!=-1){ 
txt = txt.replace(fin,""); 
} 
return txt;  
}

//funcion para el formulario
function validarEmail(valor) {
	var valor1 = trim(valor);
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor1)){
		return (true);
	} else {
		return (false);
	}
}	

function ltrim(cadena) {
	return cadena.replace(/^\s+/,"");
}

function BorraError() {
	document.getElementById('txterror').innerHTML = '';
}

function cancelar(msg){
	if ( confirm(msg) ) {
		document.registro.reset();
	}
}