//******************funció per obrir un popup***************************
function popup(popupfile,winheight,winwidth,scrollbars)
{
open(popupfile,"PopupWindow1","resizable=no,height=" + winheight + ",width=" + winwidth + ",scrollbars=" + scrollbars);
}
//javascript:popup('../control_usu/registre.asp?idioma=1',400,390,'yes')
//******************/funció per obrir un popup***************************