function showLecturerPhoto(lecturerId, name, url) {
	//alert(name)
	//alert(url)
	//document.getElementById("lecturerPhoto").innerHTML = "<img src='photos/kociemba_CTB.jpg' />";
	document.getElementById("lecturerPhoto").style.backgroundImage = "url(photos/"+lecturerId+"_CTB.jpg)";
	document.getElementById("lecturerName").innerHTML = name;
	document.getElementById("lecturerMore").innerHTML = "<a href='"+url+"'>więcej...</a>";
	
	
}

function hideLecturerPhoto(lecturerId) {
	//document.getElementById("lecturerName").innerHTML = "";
	//document.getElementById("lecturerPhoto").style.backgroundImage = "";
}