function Post(){
	var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
	var ajaxRequest;
	try{
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				alert("Your Browser Doesn't support AJAX.");
				return false;
			}
		}
	}
	return Array(ajaxRequest,contentType);
}