var win_toolbar = "no";
var win_titlebar = "no";
var win_scrollbars = "yes";
var win_personalbar = "yes";
var win_status = "yes";
var win_statusbar = "yes";
var win_location = "no";
var win_menubar = "no";
var win_left = "0";
var win_top = "0";
var win_resizable = "yes";

function openFixCenterWindow(name,url,width,height) { win_scrollbars = "no"; win_personalbar = "no"; win_status = "no"; win_statusbar = "no"; win_resizable = "no"; openCenterWindow(name,url,width,height); }
function openFixWindow(name,url,width,height) { win_resizable = "no"; openWindow(name,url,width,height); }

function openCenterWindow(name,url,width,height)
{
  win_top  = (screen.availHeight - height - 51) / 2;
  win_left = (screen.availWidth - width - 12) / 2;
  if ( win_top  < 0 ) win_top  = 0;
  if ( win_left < 0 ) win_left = 0;
  openWindow(name,url,width,height);
}

function openWindow(name,url,width,height)
{
  
  newWin = window.open( url, 
                        name, 
                        "toolbar="+win_toolbar
                        +",titlebar="+win_titlebar
                        +",scrollbars="+win_scrollbars
                        +",personalbar="+win_personalbar
                        +",status="+win_status+",statusbar="
                        +win_statusbar+",location="
                        +win_location+",menubar="+win_menubar
                        +",height="+height+",width="+width+",left="
                        +win_left+",top="+win_top+",resizable="
                        +win_resizable );
  newWin.focus();
}