function cartes(cartes_lectors)
{
plana_nova=window.open(cartes_lectors,"cartes_lectors_finestra","width=615,height=305,scrollbars=yes");
plana_nova.focus();
}

function AvisLegal(web,amplada,alcada)
{
  AvisLegal=window.open(web,'AvisLegal',"width="+amplada+",height="+alcada+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,left=60,top=60");
  AvisLegal.focus();
}

function obre_flot (purl, widt, heig) {

   if (widt == '') widt = 200;
   if (heig == '') heig = 200;

   left = Math.round ((screen.availWidth  - widt) / 2);
   ttop = Math.round ((screen.availHeight - heig) / 2);

   flot = window.open (purl, 'flot', 'left='+left+',top='+ttop+',width='+widt+',height='+heig+',resizable=yes,scrollbars=no,toolbar=no,locationbar=no,statusbar=no');

   flot.focus ();

}