var titulopordefecto = "Popup";
var ventana;
var cont=0;
var x=screen.width/2;
var y=screen.height/2;
function abrirPopupImagen(cual,titulo){
var altur = 250;
var anchur = 400;
if(cont==1){ventana.close();ventana=null}
if(titulo==null){titulo=titulopordefecto}
ventana=window.open('','ventana','position: absolute,toolbar=no,width='+anchur+',height='+altur+',top='+(y-altur/2)+',left='+(x-anchur/2))
// alert('paro');
ventana.document.write('' + titulo + '
');
ventana.document.close();
cont++;
}
function redimensionar(ancho, alto){
ventana.resizeTo(ancho+6,alto+50);
ventana.moveTo((screen.width-ancho)/2,(screen.height-alto)/2); //centra la ventana. Eliminar si no se quiere centrar el popup
ventana.focus();
}
function abrirPopupTexto(Url,Ancho,Alto,picTitle){
var x=screen.width/2
var y=screen.height/2
var x1= Ancho
var y1= Alto
var Dress = Url
var titulo = picTitle
var params="'position: absolute, scrollbars=yes, top=" + (y-y1/2) + ", left=" + (x-x1/2) + ", height=" + y1 + ", width=" + x1 + "'"
MM_openBrWindow(Dress,titulo,params)
}
function MM_openBrWindow(theURL,winName,features) {
ventanita = window.open(theURL,winName,features);
}