var win = null;
     function NewWindow(mypage,myname,w,h,scroll,resize,stat){
     LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
     TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
     settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='+resize+',status='+stat+''
     win = window.open(mypage,myname,settings)
     }