/*

v-cube.de
JavaScript

(c) 2006 Gustaf Mossakowski, <gustaf@koenige.org>

*/

function addBehaviour() {
	//	Projektfeld ausblenden
	var Content = document.getElementById("content");
	var Projekte = document.getElementById("projekt");
	var Projektgrau = document.getElementById("projektgrau");

	//	Pfeil zeichnen
	var img1 = document.createElement("img");
	img1.src = "/_layout/pfeil-hell.gif";
	img1.setAttribute("id", "klapppfeil");
	img1.setAttribute("title", "Mehr ...");
	if (Projekte) {
		Content.appendChild(img1);

	//	Pfeil positionieren
		var Arrow = document.getElementById("klapppfeil");
		if (Projekte.className == "ausgeklappt") {
			Arrow.title = "Weniger ...";
			Arrow.className = "pfeil-aus";
			Projekte.style.visibility = "visible";
			Projektgrau.style.visibility = "visible";
		} else {
			Arrow.className = "pfeil-ein";
			Projekte.style.visibility = "hidden";
			Projektgrau.style.visibility = "hidden";
		}
	
		//	Pfeil klickbar machen
		Arrow.onclick = toggleArrow;
		Arrow.onmouseover = highlightArrow;
		Arrow.onmouseout = blurArrow;
	}
}

window.onload = addBehaviour;

function toggleArrow() {
	var Arrow = document.getElementById("klapppfeil");
	var Projekte = document.getElementById("projekt");
	var Projektgrau = document.getElementById("projektgrau");
	if (Projekte.style.visibility == "visible") {
		Projekte.style.visibility = "hidden";
		Projektgrau.style.visibility = "hidden";
		Arrow.className = "pfeil-ein";
		Arrow.title = "Mehr ...";
		Arrow.src = "/_layout/pfeil-hell.gif";
	} else {
		Projekte.className = 'ausgeklappt';
		Projekte.style.visibility = "visible";
		Projektgrau.style.visibility = "visible";
		Arrow.className = "pfeil-aus";
		Arrow.title = "Weniger ...";
		Arrow.src = "/_layout/pfeil-hell.gif";
	}
}

function highlightArrow() {
	this.src = "/_layout/pfeil.gif";
}

function blurArrow() {
	this.src = "/_layout/pfeil-hell.gif";	
}