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_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_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 muestra_ventana(URL, ancho, alto){ 
	   window.open(URL,"ListadoCultura","width=" + ancho + ",height=" + alto + ",top=50,left=50,scrollbars=YES,resizable=NO,directories=NO,location=NO,menubars=NO,status=NO,titlebar=NO,toolbar=NO"); 
} 

function imprimir_ficha(id_recurso){ 
	   window.open("imprimir.php?id_recurso=" + id_recurso ,"ListadoCultura","width=400, height=500, top=50, left=50, scrollbars=YES, resizable=NO, directories=NO, location=NO, menubars=NO, status=NO, titlebar=NO, toolbar=NO"); 
}

//----------------------------------- Tratamiento de cajas
	var posicion_titulo=1;

//-------------------------------- TITULO ------------------------------------------
	function agregar_titulo() {
		nuevaFila = document.getElementById("tabla_titulo").insertRow(-1);
		nuevaFila.id=posicion_titulo;
		nuevaCelda=nuevaFila.insertCell(-1);
		nuevaCelda.innerHTML="<td><select name='operador_titulo[" + posicion_titulo + "]' ><option value='1'>Y</option><option value='2'>O</option></select></td>";
		nuevaCelda=nuevaFila.insertCell(-1);
		nuevaCelda.innerHTML="<td><input maxlength='250' type='text' name='titulo[" + posicion_titulo + "]' /></td>";		
		nuevaCelda=nuevaFila.insertCell(-1);
		nuevaCelda.innerHTML="<td><input type='button' value='-' onclick='eliminar_titulo(this)' class='btn_form_mas'></td>";

		posicion_titulo++;
	}

	function eliminar_titulo(obj) {
		var oTr = obj;
		while(oTr.nodeName.toLowerCase()!="tr"){
			oTr=oTr.parentNode;
		}
		var root = oTr.parentNode;
		root.removeChild(oTr);
	}