// JavaScript Document
var navegador = navigator.appName;
if(navegador == "Microsoft Internet Explorer"){ navegador = 'explorer'; }		
else{ navegador = 'otro'; }

function posicionar(){	
	var height = window.innerWidth  < 1000 ? window.innerHeight : window.innerHeight - 30;
	var mrgTop = Math.ceil((height - 630) / 2);
	if(mrgTop > 0) { document.getElementById('contenedor').style.margin = mrgTop +"px auto 0 auto"; }
	else { document.getElementById('contenedor').style.margin = "0 auto 0 auto"; } //alert("Margen: "+ mrgTop);
	window.onresize = posicionar;
}

function posicionPie(){	
	var heightPie = window.innerWidth < 1000 ? 43 : 27;
	var mrgTop = navegador == "explorer" ? -heightPie + document.documentElement.scrollTop : -heightPie + window.pageYOffset; 
	document.getElementById('pie').style.margin = mrgTop +"px 0 0 0";
	window.onscroll = posicionPie;
	window.onresize = posicionPie;
}

function popUp(url, ancho, alto){
		parametros="width="+ ancho +", height="+ alto +",left=150,top=150, resizable=no, menubar=no,toolbar=no,directories=no,location=no,scrollbars=no,status=no";
		window.open(url,"popup",parametros);
}

function viewHide(id, formulario) {
	if(formulario != '') { for(i = 0; i < formulario.length; i++) { if(id != formulario[i].value) { document.getElementById(formulario[i].value).style.display = 'none'; } } }
	if(document.getElementById(id).style.display == 'none') { document.getElementById(id).style.display = 'block'; }	
}

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_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 cambiarIdioma(id){
	document.frm_idiomas['idioma'].value = id;
	document.frm_idiomas.submit();
}

function comprobarInput(evento, id, txt_def){ document.getElementById(id).value = evento == 'focus' ? document.getElementById(id).value == txt_def ? '' : document.getElementById(id).value : document.getElementById(id).value == '' ? txt_def : document.getElementById(id).value; }