function create(url, parent_id, act_type, topic_parent) {
		url += '?theme_parent=' + parent_id + '&act=' + act_type;
		if (topic_parent) url += '&topic_parent=' + topic_parent;
		
		var req = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
	    req.onreadystatechange = function() {
			switch (req.readyState) {
				case 1:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 2:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 3:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 4:
				     document.getElementById('lo').innerHTML = '';
					 document.getElementById('actions').innerHTML = req.responseText;
				break;
			}
	    }
        req.open("GET", url, true);
	    req.setRequestHeader("Content-type", "application/x-www-form-urlencoded, charset=utf-8");
	    req.setRequestHeader("Connection", "close");
	    req.send(null);
}

function destroy() {
    document.getElementById('actions').removeChild(document.getElementById('frm'));
}

function log_in(url, act) {
		url += '?login=' + document.getElementById('p-login').value + '&pass=' + document.getElementById('p-pass').value + '&act=' + act;

		var req = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
	    req.onreadystatechange = function() {
			switch (req.readyState) {
				case 1:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 2:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 3:
				    document.getElementById('lo').innerHTML = '<span class="blue">Processing data...</span>';
				break;
				case 4:
				     document.getElementById('lo').innerHTML = '';
				     if (req.responseText.match(/members/)) {
				         document.getElementById('not-enter').innerHTML = '';
					     document.getElementById('sbtn').innerHTML = req.responseText;
					 } else
					     document.getElementById('not-enter').innerHTML = req.responseText;
					 if (!req.responseText.match(/div/))
                         document.getElementById('post').disabled = false;
				break;
			}
	    }
        req.open("GET", url, true);
	req.setRequestHeader("Content-type", "application/x-www-form-urlencoded, charset=utf-8");
	req.setRequestHeader("Connection", "close");
	req.send(null);
}