var _lock = 0;
var _currentpage = 1;
function getContent() {
    try {
        if (_lock == 0) {
            var d = document, root = d.documentElement, body = d.body;
            var hi = window.innerHeight || root.clientHeight || body.clientHeight;
            var scrY = window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop;
            var _elem = __$('more' + _currentpage);
            var elemTop = _elem.offsetTop;
            var _currentpos = (hi + scrY);
            ieGetByClassName(document, "morespan")[0].innerHTML = 'Loading..';

            if (_currentpos >= elemTop) {
                _lock = 1;
                _currentpage++;
                setTimeout(function() {
                    http_request = false;
                    if (window.XMLHttpRequest) {
                        http_request = new XMLHttpRequest();
                        if (http_request.overrideMimeType) {
                            http_request.overrideMimeType('text/html');
                        }
                    } else if (window.ActiveXObject) {
                        try {
                            http_request = new ActiveXObject("Msxml2.XMLHTTP");
                        } catch (e) {
                            try {
                                http_request = new ActiveXObject("Microsoft.XMLHTTP");
                            } catch (e) { }
                        }
                    }
                    if (!http_request) {
                        alert('Cannot create XMLHTTP instance');
                        return false;
                    }
                    http_request.onreadystatechange = function() {
                        if (http_request.readyState == 4) {
                            if (http_request.status == 200) {
                                try {
                                    _elem.innerHTML = http_request.responseText;
                                    _lock = 0;
                                } catch (Error) {
                                    alert(Error);
                                };
                            };
                        };
                    };
                    http_request.open('GET', '&p=' + _currentpage, true);
                    http_request.send(null);
                }, 1000);
            };
        };
    } catch (Error) { };    
};
addScrollEvent(function () {
    getContent();
});