function zobraz(nazev, file,wi,he)   {		
  		 theURL=file;
     	 W = parseInt(wi);
     	 H = parseInt(he);
     	 okno = window.open(file, nazev ,"width="+W+",height="+H+",left=0,top=0");
     	 okno.resizeTo(W,H);
     	 okno.focus();
    }