var win= null;

function MM_openBrWindow(mypage,myname,blank,w,h,scroll){
  if(!w){ 
      w = 710;
  }
  if(!h){ 
      h = 590;
  }
  if(!scroll){ 
      scroll = "yes";
  }

  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}