function ShowTreeEditForm(id, tree_id){
	if(id){ document.getElementById('tree_edit_form_'+tree_id+'_'+id).style.display='block'; }
	else{ document.getElementById('tree_add_form_'+tree_id).style.display='block'; }
}

function HideTreeEditForm(id, tree_id){
	if(id){ document.getElementById('tree_edit_form_'+tree_id+'_'+id).style.display='none'; }
	else{ document.getElementById('tree_add_form_'+tree_id).style.display='none'; }
}

function ShowResourceEditForm(id){
	if(id) document.getElementById('resource_edit_form_'+id).style.display='block';
	else document.getElementById('resource_add_form').style.display='block';
}

function HideResourceEditForm(id){
	if(id) document.getElementById('resource_edit_form_'+id).style.display='none';
	else document.getElementById('resource_add_form').style.display='none';
}


function play_audio(filename, destID){
	var destDiv = document.getElementById(destID);
	if(destDiv==null) return false;
	var s1 = new SWFObject("/swf/mp3player.swf", "playlist", "200", "20", "7");
	s1.addVariable("file","/data/"+filename);
	s1.addVariable("backcolor","0x00000");
	s1.addVariable("frontcolor","0xEECCDD");
	s1.addVariable("lightcolor","0xCC0066");
	s1.addVariable("width","200");
	s1.addVariable("height","20");
	s1.addVariable("autostart","false");
	s1.addVariable("repeat","none");
	s1.addVariable("autostart","true");
	s1.write(destID);
}