function openwin(win_name,bak1,win_title,win_src) 
{
    //str = ",width="+win_width +",height="+win_height+",left="+win_left +",top="+win_top;
    newwin = window.open( "/gb/ad/openwindows.asp?OPEN_id="+win_src , win_name,bak1);
    newwin.focus();
}