function toggleRow(id){
	var element = document.getElementById(id);
	var toggleImageElement = document.getElementById("arrow_" + id);
	if(element.style.display == "none"){
		element.style.visibility = "visible";
		element.style.display = "inline";
		toggleImageElement.src = "/images/prog-course/arrow_down.gif";
	}
	else{
		element.style.display = "none";
		toggleImageElement.src = "/images/prog-course/arrow.gif";
	}
}

function toggleOn(id){
	var element = document.getElementById(id);
	var toggleImageElement = document.getElementById("arrow_" + id);
	if(element.style.display == "none" && !(typeof toggleImageElement == null)){
		element.style.visibility = "visible";
		element.style.display = "inline";
		toggleImageElement.src = "/images/prog-course/arrow_down.gif";
	}
}

function printPage() 
{
  if (window.print) 
  {
    window.print(); 
  }
  else 
  {
    alert("Your browser does not support this method of printing. \rPlease use your browser\’s \”Print\” option.");
  }
}

function replaceParent(newURL)
{
	window.opener.location.href = newURL;
	window.close();
}