function openNew1(url,okno,param) {
var hndl = window.open(url,okno,param);
return (hndl == null);
}

function openNew2(url,width,height) {
var param = 'width='+width+',height='+height;
var hndl = window.open(url,'_blank',param);
return (hndl == null);
}