function ajaxobj() {
		try {
			_ajaxobj = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				_ajaxobj = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (E) {
				_ajaxobj = false;
			}
		}
	   
		if (!_ajaxobj && typeof XMLHttpRequest!='undefined') {
			_ajaxobj = new XMLHttpRequest();
		}
		
		return _ajaxobj;
	}
	
function contarclick(ident) {

		ajax = ajaxobj();				
		ajax.open("GET", "menus_banners/bannerclic.php?id="+ident, true);
		ajax.onreadystatechange=function() {
			if (ajax.readyState==4) {	
			}
		}
		ajax.send(null);
}