<!--

function openDemo(target,lessonId,newWidth,newHeight) {

	if (target == "redemo") {
		newWidth  = 792;
		newHeight = 538;
		url = demoDir+"demo/text/lesson/"+lessonId+"/1_1.html";
	} else {
		url = lessonId;
	}

	var left = (screen.width  - newWidth ) / 2;
	var top  = (screen.height - newHeight) / 2;

	redemo = window.open(url,target,"width="+newWidth+",height="+newHeight+", resizable=no, scrollbars=no, status=no,left="+left+",top="+top);
	redemo.focus();
}

function openDemo2(target,lessonId,newWidth,newHeight) {

	if (target == "redemo") {
		newWidth  = 900;
		newHeight = 630;
		url = demoDir+"demo/"+lessonId;
	} else {
		url = lessonId;
	}

	var left = (screen.width  - newWidth ) / 2;
	var top  = (screen.height - newHeight) / 2;

	redemo = window.open(url,target,"width="+newWidth+",height="+newHeight+", resizable=no, scrollbars=no, status=no,left="+left+",top="+top);
	redemo.focus();
}

//-->