// funciones

function abre_ventana (pag,tam_x,tam_y,vent,scroll,resize) {
 var pos_x, pos_y;
 scroll = (scroll==null) ? false : scroll;
 scroll = (scroll) ? "yes" : "no";
 resize = (resize==null) ? false : resize;
 resize = (resize) ? "yes" : "no";
 tam_x = (tam_x==null) ? 640 : tam_x;
 tam_y = (tam_y==null) ? 415 : tam_y;

 var alto = window.screen.height;
 var ancho = window.screen.width;
 pos_x = (ancho-tam_x)/2;
 pos_y = (alto-tam_y)/2-20;

 return(window.open(pag, vent, "toolbar=no,directories=no,menubar=0,scrollbars="+scroll+",location=no,status=no,resizable="+resize+",width="+tam_x+",height="+tam_y+",left="+pos_x+",top="+pos_y));
}

function abrir_popup (pag,tam_x,tam_y,vent,scroll,resize) {
 var pos_x, pos_y;
 scroll = (scroll==null) ? false : scroll;
 scroll = (scroll) ? "yes" : "no";
 resize = (resize==null) ? false : resize;
 resize = (resize) ? "yes" : "no";
 tam_x = (tam_x==null) ? 640 : tam_x;
 tam_y = (tam_y==null) ? 415 : tam_y;

 var alto = window.screen.height;
 var ancho = window.screen.width;
 pos_x = (ancho-tam_x)/2;
 pos_y = (alto-tam_y)/2-20;

 window.open(pag, vent, "toolbar=no,directories=no,menubar=0,scrollbars="+scroll+",location=no,status=no,resizable="+resize+",width="+tam_x+",height="+tam_y+",left="+pos_x+",top="+pos_y);
}

function cargarPagina (seccion,pagina,titulo1,titulo2) {
 location.href = "PTpagina.asp?seccion=" + seccion + "&pagina=" + pagina + "&titulo1=" + titulo1 + "&titulo2=" + titulo2;
}

function carga_producto (imagen,texto) {
 setTimeout("carga_foto ('"+imagen+"')",100);
 carga_texto(texto);
}
function carga_foto (imagen) {
 document.images['foto_detalle'].src = "recursos/archivos/"+imagen;
}
function carga_texto (texto) {
 document.all.foto_texto.innerHTML = texto;
}

function capa_activa (laCapa, estado) {
 estado = (estado) ? "visible" : "hidden";
 eval("document.all."+laCapa+".style").visibility = estado;
}

// Funciones del menú de portada

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}