// pop-ups for articulate presentations
function articulateWin(url){
	var wWidth = screen.width * 0.9;
	var wHeight = wWidth*0.66;
	var wTop = 10;
	var wLeft = (screen.width - wWidth)/2;
	var allAttribs = "directories=no,status=no,scrollbars=yes,menubar=no,location=no,resizable=yes"
	allAttribs += ",width="+ wWidth +",height="+ wHeight +",top="+ wTop +",left="+ wLeft;
	var winobj = window.open(url,'popWindow',allAttribs);
	return winobj;
}