// JavaScript Document
function about501open() {
	winOpen('../about501/','about501','960','660');
}

function historyOpen() {
	winOpen('../history/','history','950','550');
}


function winOpen(theURL, title, w, h) {
  var theWIN;
  var posTop = (screen.availHeight - h) / 2;
  var posLeft = (screen.availWidth - w) / 2;
  theWIN = window.open(theURL,title,'width='+w+',height='+h+',top=' + posTop + ',left=' + posLeft + ',directories=no,channelmode=no,fullscreen=no,location=no,menubar=no,personalbar=no,resizable=no,scrollbars=no,status=no,toolbar=no');
  theWIN.focus();
}