function doClose() {
	if (!document.getElementsByTagName) return false;
	var links = document.getElementsByTagName("a");
	for (var i=0; i < links.length; i++) {
		if (links[i].className.match("close")) {
			links[i].onclick = function() {
				var nvua = navigator.userAgent;
				if (nvua.indexOf('MSIE') >= 0) { if (nvua.indexOf('MSIE 5.0') == -1) { top.opener = ''; } }
				else if (nvua.indexOf('Gecko') >= 0) { top.name = 'CLOSE_WINDOW'; wid = window.open('','CLOSE_WINDOW'); }
				top.close();
			}
		}
	}
}

window.onload = doClose;