function tdlfunctions() {
	this.button = {
		disable:function(el_txt) {
			try {
				var _el = $(el_txt);
				
				_el.setStyle('cursor', 'default');
				
				if (!$chk(_el.tdl_href) && !$chk(_el.tdl_onclick)) {
					$extend(_el, {
						tdl_href:_el.getProperty('href'),
						tdl_onclick:_el.getProperty('onclick')
					});
				}
				
				_el.removeEvents();
				_el.removeProperty('href');
				_el.setProperty('onclick', 'void(0)');

				$E('img', _el).removeEvents();
				$E('img', _el).setProperty('src', $E('img', _el).dtrollover.image.normal.src);
				
				_el.setOpacity(.2);
				
			}catch(e){}
		},
		enable:function(el_txt) {
			try {
				
				var _el = $(el_txt);
				
				_el.setStyle('cursor', 'pointer');
				_el.setProperty('href', _el.tdl_href);
				_el.addEvent('click', function(){
					eval(this.tdl_onclick);
				});

				$E('img', _el).setProperty('src', $E('img', _el).dtrollover.image.normal.src);
				
				$E('img', _el).addEvents({
					'mouseover':$E('img', _el).dtrollover.over,
					'mouseout':$E('img', _el).dtrollover.out
				});
				
				_el.setOpacity(1);
				
			}catch(e){}
		}
	}
}
var tdl = new tdlfunctions();

function thisMovie(movieName) {
    if (navigator.appName.indexOf("Microsoft") != -1) {
        return window[movieName]
    }
    else {
        return document[movieName]
    }
}