var win= null; function openBW(theURL,winName,w,h,scroll,resize){ var winl = (screen.width-w)/2; var wint = (screen.height-h)/2; var setting ='height='+h+','; setting +='width='+w+','; setting +='top='+wint+','; setting +='left='+winl+','; setting +='scrollbars='+scroll+','; setting +='resizable='+resize+''; win=window.open(theURL,winName,setting); if(parseInt(navigator.appVersion) >= 4){win.window.focus();} }