/*

	Knowledgeroot

	Frank Habermann

	This file includes functions that are used to display and work with the ajaxtree

*/



	function AjaxMenuOpen(id,move) {

		ShowMessage(msgboxloading, "loading");

		var ajaxopen = new Ajax.Request(

			"ajax-xml.php",

			{

				method:'post',

				postBody: 'ajaxopen='+id+'&move='+move,

				onComplete:showOpen,

				onFailure:showError

			}

		);



		document.getElementById("menuimg_"+id).src = "images/minus.jpg";

		document.getElementById("linkid_"+id).onclick = function () { AjaxMenuClose(id,move); };

	}

	

	function AjaxMenuClose(id,move) {

			ShowMessage(msgboxloading, "loading");

			var ajaxopen = new Ajax.Request(

				"ajax-xml.php",

				{

					method:'post',

					postBody: 'ajaxclose='+id+'&move='+move,

					onComplete:showClose,

					onFailure:showError

				}

			);

		

			document.getElementById("menuimg_"+id).src = "images/plus.jpg";

			document.getElementById("linkid_"+id).onclick = function () { AjaxMenuOpen(id,move); };

	}

	

	var showOpen = function(r) {

		try {

			var root = r.responseXML.getElementsByTagName("root");



			if (document.all) {

				var data = unescape(r.responseXML.getElementsByTagName("html")[0].firstChild.nodeValue);

			} else {

				var data = unescape(root[0].getElementsByTagName("html")[0].textContent);

			}

			var id = root[0].getElementsByTagName("parentid")[0].firstChild.nodeValue;

			

			if(document.all) {

				// for IE

				new Insertion.Bottom('menu_'+id, data);

			} else {

				// for Mozi

				new Insertion.After('menu_'+id, data);

			}

			

			HideMessage("loading");

		} catch (e) {

			ShowMessage(e.message + "#" + e.name + "#" + e.number + "#" + e.file, "error");

			setTimeout("HideMessage()", 7000);

			//alert(e.message + "#" + e.name + "#" + e.number);

		}

	}

	

	var showClose = function(r) {

		try {

			var root = r.responseXML.getElementsByTagName("root");

			var elements = root[0].getElementsByTagName("element");



			for(var i=0; i<elements.length; i++) {

				var id = root[0].getElementsByTagName("element")[i].firstChild.data;

				//var node = document.getElementById("menu_"+id);

				//var temp = document.getElementById("menu_"+id).removeChild(node.firstChild);



				//Element.remove("menu_"+id);

				// extra function because fucking ie is so stupid

				removeElement("menu_"+id);

			}

			

			HideMessage("loading");

		} catch (e) {

			ShowMessage(e.message + "#" + e.name + "#" + e.number, "error");

			setTimeout("HideMessage()", 7000);

			//alert(e.message + "#" + e.name + "#" + e.number);

		}

	}

	

	var removeElement = function(id) {

		try {

			Element.remove(id);

		} catch (e) {

		

		}

	}

	

	var showError = function(r) {

		alert("Error: " + r.status + "/t" + r.statusText);

	}

	

	var ShowTree = function() {

		$("tree").style.display = "block";

		$("treeopener").style.display = "none";

	}

	

	var HideTree = function() {

		$("tree").style.display = "none";

		$("treeopener").style.display = "block"

	}

	

	var TreeFixed = function() {

		$("tree").style.position = "static";

		$("treeslide").style.display = "block";

		$("treefixed").style.display = "none";

	}

	

	var TreeSlide = function() {

		$("tree").style.position = "absolute";

		$("treeslide").style.display = "none";

		$("treefixed").style.display = "block";

	}

	

	var TreeExpand = function(move) {

		ShowMessage(msgboxloading, "loading");

		var ajaxopen = new Ajax.Request(

			"ajax-xml.php",

			{

				method:'post',

				postBody: 'expandtree=yes&move='+move,

				onComplete:showReloadTree,

				onFailure:showError

			}

		);

	}

	

	var TreeCollapse = function(move) {

		ShowMessage(msgboxloading, "loading");

		var ajaxopen = new Ajax.Request(

			"ajax-xml.php",

			{

				method:'post',

				postBody: 'collapsetree=yes&move='+move,

				onComplete:showReloadTree,

				onFailure:showError

			}

		);

	}

	

	var TreeReload = function(move) {

		ShowMessage(msgboxloading, "loading");

		var ajaxopen = new Ajax.Request(

			"ajax-xml.php",

			{

				method:'post',

				postBody: 'reloadtree=yes&move='+move,

				onComplete:showReloadTree,

				onFailure:showError

			}

		);

	}

	

	var showReloadTree = function(r) {

		try {

			var root = r.responseXML.getElementsByTagName("root");

			if (document.all) {

				var data = unescape(r.responseXML.getElementsByTagName("html")[0].firstChild.nodeValue);

			} else {

				var data = unescape(root[0].getElementsByTagName("html")[0].textContent);

			}



			Element.remove("treeelementtable");

			new Insertion.Top('treeelements', data);

			//alert(data);

			//$("treeanchor").nodeValue = data;

			

			HideMessage("loading");

		} catch (e) {

			ShowMessage(e.message + "#" + e.name + "#" + e.number, "error");

			setTimeout("HideMessage()", 7000);

		}

	}