function openCentered(url, name, height, width, status, scrollbars) {
  //var str = "height=" + height + ",innerHeight=" + height;
  //str += ",width=" + width + ",innerWidth=" + width;
  var str = "height=" + height;
  str += ",width=" + width;
  
  if (window.screen) {
    //var ah = screen.availHeight - 30;
    //var aw = screen.availWidth - 10;
	var ah = screen.availHeight;
    var aw = screen.availWidth;


    var xc = (aw - width) / 2;
    var yc = (ah - height) / 2;

    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc;
    str += ",status=" + status + ",scrollbars=" + scrollbars;
  }
  window.open(url, name, str); 
}

function openFull(url, name) {
    var ah = screen.availHeight - 125;
    var aw = screen.availWidth - 10;

    var xc = 0;
    var yc = 0;  
	
  var str = "height=" + ah;
  str += ", width=" + aw;
  str += ", toolbar=" + "yes" + ", menubar=" + "yes";
  str += ", left=" + xc + ", screenX=" + xc;
  str += ", top=" + yc + ", screenY=" + yc + ", scrollbars=" + "yes";
  window.open(url, name, str); 
}

var x=""; 
function maskStatus(x){ return true;}
function unmaskStatus(){ return true;}