function bncTree(name) {
	this.objname = name;
	this.treeids = new Array();
	this.treestatus = "Closed";
}

bncTree.prototype.bncAddTreeId = function(id) {
	this.treeids.push(id);

	document.getElementById('expand'+id).src='/media/afbeeldingen/layout/buttons/closed.jpg';
	document.getElementById('treecontent'+id).style.display='none';
};

bncTree.prototype.toggle = function(toggleid) {
	if(this.treestatus == "Closed") {
		this.treestatus="Opened";

    //Uitklappen
		copy='<img src="/media/afbeeldingen/layout/buttons/closed.jpg" style="border: none;" alt="Inklappen" /> <a onclick="'+this.objname+'.toggle(\''+toggleid+'\');" class="jsplink">Alles invouwen<\/a>';
		document.getElementById(toggleid).innerHTML=copy;
	
		for (f=0;f<this.treeids.length;f++){
			document.getElementById('expand'+this.treeids[f]).src='/media/afbeeldingen/layout/buttons/opened.jpg';
			document.getElementById('treecontent'+this.treeids[f]).style.display='block';
		}
	} else {
	  this.treestatus="Closed";

    //Inklappen
		copy='<img src="/media/afbeeldingen/layout/buttons/opened.jpg" style="border: none;" alt="Uitklappen" /> <a onclick="'+this.objname+'.toggle(\''+toggleid+'\');" class="jsplink">Alles uitvouwen<\/a>';
		document.getElementById(toggleid).innerHTML=copy;

		for (f=0;f<this.treeids.length;f++){
			document.getElementById('expand'+this.treeids[f]).src='/media/afbeeldingen/layout/buttons/closed.jpg';
			document.getElementById('treecontent'+this.treeids[f]).style.display='none';

		}
	}
};

bncTree.prototype.bncToggleTree = function(id){
	if(document.getElementById('treecontent'+id).style.display=='none') {
		document.getElementById('expand'+id).src='/media/afbeeldingen/layout/buttons/opened.jpg';
		document.getElementById('treecontent'+id).style.display='block';
	} else {
		document.getElementById('expand'+id).src='/media/afbeeldingen/layout/buttons/closed.jpg';
		document.getElementById('treecontent'+id).style.display='none';
	}
};