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 == "center") {
		LeftPosition = (screen.width) ? (screen.width - w) / 2 : 100;
		TopPosition = (screen.height) ? (screen.height - h) / 2 : 100;
	}	else if ((pos!="center" && pos!="random") || 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, myname, settings);
	
	if (win.focus) win.focus();
}

var win1Open = null
var win2Open = null

function openPopUp (windowURL, windowName, windowWidth, windowHeight) {
  var winHandle = window.open(windowURL,windowName,"toolbar=no,scrollbars=yes,resizable=yes,width=" + windowWidth + ",height=" + windowHeight);
  return winHandle;
}

function winClose() { // close all open pop-up windows   
  if(win1Open != null) win1Open.close();
  if(win2Open != null) win2Open.close();
}

function openPopUpWindow() {} // does nothing but required by JavaScript & shows in status bar

function openPopUp(windowURL, windowName, windowWidth, windowHeight) {
  var winHandle = window.open(windowURL,windowName,"toolbar=no,scrollbars=yes,resizable=yes,width=" + windowWidth + ",height=" + windowHeight);
  if (winHandle != null) winHandle.focus(); //brings window to top
  return winHandle;
}