// JavaScript Document
function confirma_clave(forma)
{
msg ='';
if(forma.CM.value != '')
	msg = validar_caracteres('Clave de descarga',forma.CM.value);
if(msg == '')
	{
	 forma.cc.value = 1;
	 forma.action = "ver_imagen_vip.php";
	 forma.submit();
	}
 else alert(msg);
}

function validar_caracteres(campo,string)

{

 msg="";

    var iChars = "*|,\":<>[]{}`\';()&$#%";

    for (var i = 0; i < string.length; i++) {

      if (iChars.indexOf(string.charAt(i)) != -1)

        msg = "Caracteres invalidos en "+campo+"\n";

     }

	 return msg;

}

function habilitar_descarga(forma,enabled)

{



  forma.opcion[0].disabled = enabled?true:false;

  forma.opcion[1].disabled = enabled?true:false;

}



function continuar(forma)

{

 forma.action = "descargar_archivo.php";
  forma.submit();
 forma.opcion[0].disabled = true;
 forma.opcion[1].disabled = true;
 //forma.Acepto[0].disabled = true;

}

function ver_sig_atras(forma, b,pag,uniden) {

  forma.b.value = b;
  forma.uniden.value=uniden;
  forma.target="_self";
  forma.action=pag;

  forma.submit();

}
function ver_mas(forma, b,pag) {

  forma.b.value = b;
  //forma.pagina.value=pag;
  forma.target="_self";
  forma.action=pag;

  forma.submit();

}