function MM_openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}

function nowe_okno(url1, width1, height1) {
var url = url1;
var option = "toolbar="+ 0 +",location="+ 0 +",directories=" 
+ 0 +",status="+ 0 +",menubar="+ 0 +",scrollbars=" 
+ 0 +",resizable=" + 0 +",width=" + width1 +",height="+ height1; 
var win1 = window.open(url, "what_I_want", option); 
//var win2 = window.open(url, "what_I_want"); 
}