function showPlan(investmentId,apartmentNumber){
var url = 'http://www.bi-polska.pl/plany_pdf/'+investmentId+'-'+apartmentNumber.replace(/ /g,"_").toUpperCase()+'.pdf'
window.open(url,"_blank", "width=640,height=480,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes");
}