function obre_flot (url) {
   info = window.open (url, 'info', 'top=100,left=100,height=400,width=600,resizable=no,scrollbars=yes,toolbar=no,locationbar=no,statusbar=no');
   info.focus();
}
function obre_text (oper, lang) {
   text = window.open ('/appl/botiga/text.php?lang='+lang+'&oper='+oper, 'text', 'top=100,left=100,height=400,width=600,resizable=no,scrollbars=yes,toolbar=no,locationbar=no,statusbar=no');
   text.focus();
}
function obre_bigi (img, alt, lng) {
   bigi = window.open ('/appl/botiga/bigi.php?lang='+lng+'&img='+img+'&alt='+escape(alt), 'bigi', 'top=100,left=100,height=400,width=600,resizable=yes,scrollbars=no,toolbar=no,locationbar=no,statusbar=no');
   bigi.focus();
}