function PopUp(nURL,winName,popW,popH) {
  	w = screen.width ; h = screen.height
  	if (document.layers) {
    		if ((w >= 800) && (w <= 1028)) {w = 1028}
    		if ((h >= 600) && (h <= 780))  {h = 780}
    		if ((w >= 640) && (w <= 800))  {w = 800}
    		if ((h >= 480) && (h <= 600))  {h = 600}
    		if (w <= 640) {w = 640}
    		if (h <= 480) {h = 480}
  	}
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
	var windowprops = "location=no,scrollbars=yes,menubars=no,toolbars=no,resizable=no" + ",left=" + leftPos + ",top=" + topPos + ",width=" + popW + ",height=" + popH;
	popup = window.open(nURL,winName,windowprops);
	if (popup.blur) {
	  popup.focus();
	}
}

function popupPDF(nURL) {
    var popL=50;
	var popT=50;
	var popW=700;
	var popH=520;
	var windowprops = "location=no,scrollbars=yes,menubar=no,toolbar=no,resizable=yes,status=yes" + ",left=" + popL + ",top=" + popT + ",width=" + popW + ",height=" + popH;
	popup = window.open(nURL,'popupPDF',windowprops);
	if (popup.blur) {
	  popup.focus();
	}
	return false;
}

function popupVert(nURL) {
  var popL=190;
	var popT=190;
	var popW=376;
	var popH=400;
	var windowprops = "location=no,scrollbars=yes,menubar=yes,toolbar=no,resizable=yes,status=yes" + ",left=" + popL + ",top=" + popT + ",width=" + popW + ",height=" + popH;
	popup = window.open(nURL,'popupVert',windowprops);
	if (popup.blur) {
	  popup.focus();
	}
	return false;
}

function popupHorz(nURL) {
  var popL=190;
	var popT=190;
	var popW=740;
	var popH=370;
	var windowprops = "location=no,scrollbars=yes,menubar=yes,toolbar=no,resizable=yes,status=yes" + ",left=" + popL + ",top=" + popT + ",width=" + popW + ",height=" + popH;
	popup = window.open(nURL,'popupHorz',windowprops);
	if (popup.blur) {
	  popup.focus();
	}
	return false;
}

function popupHowTo(nURL) {
  var popL=190;
	var popT=190;
	var popW=558;
	var popH=400;
	var windowprops = "location=no,scrollbars=yes,menubar=yes,toolbar=no,resizable=yes,status=yes" + ",left=" + popL + ",top=" + popT + ",width=" + popW + ",height=" + popH;
	popup = window.open(nURL,'popupHorz',windowprops);
	if (popup.blur) {
	  popup.focus();
	}
	return false;
}