function toggleDetails(num) {
	if(document.getElementById) {
		objRef = document.getElementById("descriptionTxt" + num);
		expanderRef = document.getElementById("expander" + num);
		if (objRef.style.display=="none") {
			objRef.style.display = "block";
			expanderRef.setAttribute("src", "images/structure/profile/arrow_open.gif");
			expanderRef.setAttribute("alt", "Hide description"); }
	else if (objRef.style.display=="block" || objRef.style.display=="") {
		objRef.style.display = "none";
		expanderRef.setAttribute("src", "images/structure/profile/arrow_close.gif");
		expanderRef.setAttribute("alt", "Display description"); }
	}
}

function toggleCredits(num) {
	if(document.getElementById) {
		objRef = document.getElementById("descriptionTxt" + num);
		expanderRef = document.getElementById("expander" + num);
		if (objRef.style.display=="none") {
			objRef.style.display = "block";
			expanderRef.setAttribute("src", "images/structure/film/cube_less.gif");
			expanderRef.setAttribute("alt", "Hide description"); }
	else if (objRef.style.display=="block" || objRef.style.display=="") {
		objRef.style.display = "none";
		expanderRef.setAttribute("src", "images/structure/film/cube_more.gif");
		expanderRef.setAttribute("alt", "Display description"); }
	}
}