// CENTERED POPUP WINDOW
function openDefaultWindow(fpath,wWidth, wHeight) {
  var winX = (screen.availWidth - wWidth)*.5; 
  var winY = (screen.availHeight - wHeight)*.5; 
  win1 = window.open(fpath, "TTIA", "toolbar=no,resizable=yes,menubar=no,width=" + wWidth + ",height=" + wHeight + ",left=" + winX + ",top=" + winY + ",scrollbars=yes"); 
  }