var win=null;
function NewWindow (mypage,myname,w,h,scroll,pos)
{
  if(pos=="random"){
     LeftPosition=(screen.width) ? Math.floor(Math.random()*(screen.width-w)):100;
     TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
  }
  if(pos=="smile"){
     LeftPosition=(screen.width)?(screen.width-w)/2+400:100;
     TopPosition=(screen.height)?(screen.height-h)/2:100;
  }
  if(pos=="center"){
    LeftPosition=(screen.width)?(screen.width-w)/2:100;
    TopPosition=(screen.height)?(screen.height-h)/2:100;
  }else if((pos!="center" && pos!="random" && pos!="smile") || pos==null){
    LeftPosition=0;TopPosition=20
  }
  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
  win=window.open(mypage,83,settings);
}

function OpenWinCenter(url, name, w, h) {
  l = (screen.availWidth-10 - w) / 2;
  t = (screen.availHeight-20 - h) / 2;

  features = "width="+w+",height="+h+",left="+l+",top="+t;
  features += ",screenX="+l+",screenY="+t;
  features += ",scrollbars=1,resizable=0,location=0";
  features += ",menubar=0,toolbar=0,status=0";

  window.open(url, name, features);
}