var NG_DOMAIN_IMAGE		= 'http://image.netgame.com';
var NG_DOMAIN_IMG 		= 'http://img.netgame.com';
var NG_DOMAIN_WWW 		= 'http://www.netgame.com';
var NG_DOMAIN_LOGIN 	= 'http://login.netgame.com';
var NG_DOMAIN_MEMBER 	= 'http://member.netgame.com';
var NG_DOMAIN_PROFILE 	= 'http://profile.netgame.com';
var NG_DOMAIN_FATE 		= 'http://fate.netgame.com';
var NG_DOMAIN_OP7 		= 'http://op7.netgame.com';
var NG_DOMAIN_HERO 		= 'http://hero.netgame.com';

function file_get_contents( url ) {
    // %        note 1: This function uses XmlHttpRequest and cannot retrieve resource from different domain.
    // *     example 1: file_get_contents('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm');
    // *     returns 1: '123'
 
    var req = null;
    try { req = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {
        try { req = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {
            try { req = new XMLHttpRequest(); } catch(e) {}
        }
    }
    if (req == null) throw new Error('XMLHttpRequest not supported');
 
    req.open("GET", url, false);
    req.send(null);
 
    return req.responseText;
}
function require( filename ) {
    // %        note 1: Force Javascript execution to pause until the file is loaded. Usually causes failure if the file never loads. ( Use sparingly! )
    // -    depends on: file_get_contents
    // *     example 1: require('/pj_test_supportfile_2.js');
    // *     returns 1: 2
 
    var js_code = file_get_contents(filename);
    var script_block = document.createElement('script');
    script_block.type = 'text/javascript';
    var client_pc = navigator.userAgent.toLowerCase();
    if((client_pc.indexOf("msie") != -1) && (client_pc.indexOf("opera") == -1)) {
        script_block.text = js_code;
    } else {
        script_block.appendChild(document.createTextNode(js_code));
    }
 
    if(typeof(script_block) != "undefined") {
        document.getElementsByTagName("head")[0].appendChild(script_block);
 
        // save include state for reference by include_once and require_once()
        var cur_file = {};
        cur_file[window.location.href] = 1;
 
        if (!window.php_js) window.php_js = {};
        if (!window.php_js.includes) window.php_js.includes = cur_file;
 
        if (!window.php_js.includes[filename]) {
            window.php_js.includes[filename] = 1;
        } else {
            // Use += 1 because ++ waits until AFTER the original value is returned to increment the value.
            return window.php_js.includes[filename] += 1;
        }
    }
}
function require_once(filename) {
    // -    depends on: require
    // *     example 1: require_once('/pj_test_supportfile_2.js');
    // *     returns 1: true

    var cur_file = {};
    cur_file[window.location.href] = 1;

    // save include state for reference by include_once and require_once()
    if (!window.php_js) window.php_js = {};
    if (!window.php_js.includes) window.php_js.includes = cur_file;
    if (!window.php_js.includes[filename]) {
        if(require(filename)){
            return true;
        }
    } else {
        return true;
    }
}