// JavaScript Document
/* 建立 xmlHttpRequest，用以 AJAX 功能 */
function create_xmlHttpRequest() {
	/* Create a new XMLHttpRequest object to talk to the Web server */
	var xmlHttp = false;
			
	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
	try {
		xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) {
		try {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (e2) {
		    xmlHttp = false;
		}
	}
	@end @*/

	if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
		xmlHttp = new XMLHttpRequest();
	}
	return xmlHttp;
}

function ajax_post(param, url, handle_function, args) {
	var xmlHttp = create_xmlHttpRequest();
	if ( xmlHttp ) {
		var dt = new Date();
		param = encodeURI(param + "&rd=" + dt.getTime());
		
		xmlHttp.onreadystatechange = function() { handle_function(xmlHttp, args); }
		xmlHttp.open("POST", url, true);
		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-Length", param.length);		
		xmlHttp.send(param);
	}
}