function f_winOpen(f_width, f_height, f_wname){
 var sw = (screen.width-f_width)/2;
 var sh = (screen.height-f_height)/2;
 f1=window.open('',f_wname,'scrollbars=1,toolbar=0,titlebar=0,status=1,resizable=1,width='+f_width+',height='+f_height+',left='+sw+',top='+sh+'');
 if (parseInt(navigator.appVersion)>2) {f1.focus()};
}