function Ampliar(URL,ancho, alto)
{
    var extension=URL.substring((URL.length)-4,(URL.length));
    if (ancho == null) { 
        ancho=400 
    } 
    else { 
        //ancho2=ancho+10;
        //alto2=alto+10;
        ancho2=ancho;
        alto2=alto;
    }
    if (extension != "")
    {
        if (extension == ".gif" || extension == ".jpg")
        {
            var Ampliarw=window.open (URL,"Ampliacion","toolbar=no,menubar=no,directories=no,statusbar=no,scrollbars=yes,resizable=no,locationbar=no,width="+ancho2+",height="+alto2);
            Ampliarw.document.write ("<HTML><HEAD><TITLE>consumer.es ::: el diario del consumidor</TITLE><link rel='stylesheet' href='/web/css/styles.css' type='text/css' /></HEAD><BODY><center>");
            Ampliarw.document.write ("<img src='" + URL + "'/><p />\n");
            Ampliarw.document.write ("<a href='javascript:self.close()' class='azul10'>cerrar esta ventana</a>\n");
            Ampliarw.document.write ("</center></BODY></HTML>\n");
            Ampliarw.document.close ();
            Ampliarw.focus();
        }
        else if (extension == ".swf" || extension == ".fla")
        {
            var Ampliarw=window.open ("","Ampliacion","toolbar=no,menubar=no,directories=no,statusbar=no,scrollbars=auto,resizable=yes,locationbar=no,width="+ancho2+",height="+alto2);
            Ampliarw.document.write ("<HTML><HEAD><TITLE>consumer.es ::: el diario del consumidor</TITLE></HEAD><body bgcolor='#ffffff' marginwidth='0' marginheight='0' style='margin:0px'>");
            Ampliarw.document.write ("<object '\n");
            Ampliarw.document.write ("codebase='http://active.macromedia.com/flash2/cabs/swflash.cab#version=2,0,0,0'\n");
            Ampliarw.document.write (" WIDTH='"+ancho+"' HEIGHT='"+alto+"'>\n");
            Ampliarw.document.write ("<param name='movie' value='"+URL+"'>\n");
            Ampliarw.document.write ("<param name='quality' value='autohigh'>\n");
            Ampliarw.document.write ("<param name='bgcolor' value='#FFFFFF'>\n");
            Ampliarw.document.write ("<embed SRC='"+URL+"' swLiveConnect='FALSE'  WIDTH='"+ancho+"' HEIGHT='"+alto+"'\n");
            Ampliarw.document.write ("QUALITY='autohigh' BGCOLOR='#ffffff' TYPE='application/x-shockwave-flash'\n");
            Ampliarw.document.write ("PLUGINSPAGE='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash'>\n");
            Ampliarw.document.write ("</object></BODY></HTML>\n");
            Ampliarw.document.close ();
            Ampliarw.focus();

        }
         else if (extension == ".html" || extension == ".htm")
        {
            var Ampliarw=window.open (URL,"Ampliacion","toolbar=no,menubar=no,directories=no,statusbar=no,scrollbars=auto,resizable=yes,locationbar=no");
        }
        else
        {
            var Ampliarw=window.open (URL,"Ampliacion","toolbar=no,menubar=no,directories=no,statusbar=no,scrollbars=auto,resizable=yes,locationbar=no,width="+ancho2+",height="+alto2);
        }
    }
}
