function newWindow(url, width, height, id) { 
var a = new Image(); 
a.src = url; 
var szerokosc = a.width+10; 
var wysokosc = a.height+10; 
window.open(url, "name" + id,'width=' + width + ',height=' + height + ',resizable=1, scrollbars=yes,menubar=no, scrolling=no' ); 
}