function toolbar(nodeClass) {
	var m_displayDom=document.createElement("span");
	m_displayDom.setAttribute("id","mmToolbar_" + nodeClass.getPKey());
	m_displayDom.setAttribute("class","boxToolbar");

	var m_addNode=new dataTools.imageDom('pix/icnStar.png',"+","Add node");
	m_addNode.onclick=addNodeClick;
	m_displayDom.appendChild(m_addNode);

	var m_collapseNode=new dataTools.imageDom("pix/icnArrowUp.png","_","Collapse node");
	m_collapseNode.onclick=collapseNodeClick;
	m_collapseNode.hide=function(){m_collapseNode.style.display="none";}
	m_collapseNode.show=function(){m_collapseNode.style.display="inline";}
	m_collapseNode.hide();
	m_displayDom.appendChild(m_collapseNode);

	var m_expandNode=new dataTools.imageDom("pix/icnArrowDown.png","-","Expand node");
	m_expandNode.onclick=expandNodeClick;
	m_expandNode.hide=function(){m_expandNode.style.display="none";}
	m_expandNode.show=function(){m_expandNode.style.display="inline";}
	m_expandNode.hide();
	m_displayDom.appendChild(m_expandNode);

	var m_eraseNode=new dataTools.imageDom("pix/icnWaste.png","E","Erase Node and subnodes");
	m_eraseNode.onclick=eraseNodeClick;
	m_displayDom.appendChild(m_eraseNode);

	var m_addFreeLink=new dataTools.imageDom("pix/icnNewBranch.png","F","Add Free relation");
	m_addFreeLink.style.position="absolute";
	m_addFreeLink.isDragging=false;
	m_displayDom.appendChild(m_addFreeLink);
	dragNDrop.activateForObject(m_addFreeLink);
	dragNDrop.addSubscriber(freeLinkEventNotify,"endMoving");

	var m_changeParentNode=new dataTools.imageDom("pix/icnMoveBranch.png","P","Change Parent relation");
	m_changeParentNode.style.position="absolute";
	m_changeParentNode.isDragging=false;
	m_displayDom.appendChild(m_changeParentNode);
	dragNDrop.activateForObject(m_changeParentNode);
	dragNDrop.addSubscriber(changeParentNodeEventNotify,"endMoving");

	var m_debugNode=document.createElement("span");
	if (g_debug) {
		m_debugNode.appendChild(document.createTextNode("d"));
		m_debugNode.style.position="absolute";
		m_debugNode.onclick=debugNodeClick;
		m_displayDom.appendChild(m_debugNode);
	}

	m_displayDom.mmClass=nodeClass;
	m_displayDom.hide=hide;
	m_displayDom.show=show;

	return(m_displayDom);
 

	function freeLinkEventNotify(publisher,eventType,addInfo){
		if (("endMoving"==eventType) && (publisher==m_addFreeLink) && (addInfo != null)) {
			var parentNode=nodeClass;
			var childNode=addInfo;
			if ( parentNode!=childNode) {
				var newNodeRel=new nodeRel(dataTools.getNewPKey(),parentNode,childNode,"free");
				parentNode.addNodeRelation(newNodeRel);
				childNode.addNodeRelation(newNodeRel);
				childNode.redrawNodeRelations();
			}
			hide();
		}
	}

	function changeParentNodeEventNotify(publisher,eventType,addInfo){
		if (("endMoving"==eventType) && (publisher==m_changeParentNode) && (addInfo!=null)) {
			var childNode=nodeClass;
			var newParentNode=addInfo;
			var mainNodeRel=childNode.getParentNodeRelation();
			if ( (newParentNode!=childNode)
			    && (!newParentNode.isChildNodeOf(childNode))
			    && (newParentNode!=childNode.getParentNode()) ) {
				if (mainNodeRel != null) { 
					var oldParentNode=mainNodeRel.getParentNode();
					oldParentNode.deleteNodeRelation(mainNodeRel);
					childNode.deleteNodeRelation(mainNodeRel);
					mainNodeRel.erase();
				}
				var newNodeRel=new nodeRel(dataTools.getNewPKey(),newParentNode,childNode);
				newParentNode.addNodeRelation(newNodeRel);
				childNode.addNodeRelation(newNodeRel);
				newNodeRel.redraw();
			}
			hide();
		}
	}

	function addNodeClick(event){
		event.stopPropagation();
		nodeClass.expand(true);
		var child=new node(dataTools.getNewPKey(),"(enter text)");
		var originX=parseInt(nodeClass.style.top.split("px")[0]);
		var originY=parseInt(nodeClass.style.left.split("px")[0]);

		child.style.top=(originX+50)+"px";
		child.style.left=(originY+50)+"px";

		var parent=nodeClass;

		var newNodeRel=new nodeRel(dataTools.getNewPKey(),parent,child);

		parent.addNodeRelation(newNodeRel);
		child.addNodeRelation(newNodeRel);

		child.redrawNodeRelations();
	}

	function eraseNodeClick(event){
		event.stopPropagation();
		nodeClass.erase();
	}

	function expandNodeClick(event){
		event.stopPropagation();
		nodeClass.expand();
		m_expandNode.hide();
		m_collapseNode.show();
	}

	function collapseNodeClick(event){
		event.stopPropagation();
		nodeClass.collapse();
		m_collapseNode.hide();
		m_expandNode.show();
	}

	function debugNodeClick(event){
		event.stopPropagation();
		alert( nodeClass.debugOut());
	}

	function handleCollapseExpand(){
		// Collapse
		if ((!m_displayDom.parentNode.isLeafNode()) 
			&& (!m_displayDom.parentNode.isCollapsed())) {
				m_collapseNode.show();
		} else {
			m_collapseNode.hide();
		}
		// Expand
		if ((!m_displayDom.parentNode.isLeafNode()) 
			&& (m_displayDom.parentNode.isCollapsed())) {
				m_expandNode.show();
		} else {
			m_expandNode.hide();
		}
	}
	function show(){
		handleCollapseExpand();
		m_displayDom.style.display="block";
		m_displayDom.style.top=-1*(m_displayDom.offsetHeight) + "px";
		// -20 is for the round corners (takes 10 px each side)
		m_displayDom.style.width=(nodeClass.offsetWidth-20) + "px";

		//repaint FreeLink Control
		m_addFreeLink.style.left=66;
		m_addFreeLink.style.top=0;

		//reposition changeParent Control
		m_changeParentNode.style.left=88;
		m_changeParentNode.style.top=0;

		//reposition debug Control
		m_debugNode.style.left=0;
		m_debugNode.style.top=15;
	}
	function hide(){
		if ((!m_addFreeLink.isDragging) && (!m_changeParentNode.isDragging)) {
			m_displayDom.style.display="none";
		}
	}
}