function QMFDTree(qmaction, compid) {
	
	function QMFDTree_onChange(action, id) {

	}
	
	function QMFDTree_update(action, id) {
		var url = this.qmaction;
		this.action = action;
		if (action != null) { 
			url = url + '&action=' + action;
		}
		if (id != null) { 
			url = url + '&id=' + id;
		}
		url = url + '&compid=' + this.compid;
		url = url + '&cache=' + Math.random();
		var ajax = new Ajax.Updater({success: this.compid}, url, {method: 'get'});
		if(parent.document.getElementById('iframe')){
			url = parent.document.getElementById('iframe').src ;
			url = url + "&action=" + action + "&aid=" + id;
			parent.document.getElementById('iframe').src = url;

		}
		this.onChange(action, id);
	}

	function QMFDTree_onKeyPress(evt) {
		var evt = (evt) ? evt : ((event) ? event : null);
		if (evt) {
			var target = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : mull);
			if (target && target.tagName != 'INPUT' && target.tagName != 'SELECT'
				 && target.tagName != 'TEXTAREA') {
				var code = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : null);
				if (code) {
					var name = 'key_' + String.fromCharCode(code);
					var anchors = document.getElementsByName(name);
					if (anchors) {
						if (anchors[0]) {
							anchors[0].focus();
						}
					}
				}
			}
		}
	}

	this.qmaction = qmaction;
	this.action ='';
	this.compid = compid;
	this.onChange = QMFDTree_onChange;
	this.update = QMFDTree_update;
	this.onKeyPress = QMFDTree_onKeyPress;
	
	document.onkeypress = QMFDTree_onKeyPress;
	if (!document.qmfdtree_list) {
		document.qmfdtree_list = new Array();
	}
	document.qmfdtree_list[this.compid] = this;
	
}