function wese_ajax_exec(url) {
        var script=document.createElement('script');
        script.setAttribute("type","text/javascript");
        script.setAttribute("src", url);
        var item=0;
        if(!item) item=document.getElementsByTagName("head").item(0);
        if(!item) item=document.documentElement.firstChild;
        if(item) {
                item.appendChild(script);
        }
}

// default behavior
// this variable should be changed after library loaded
var wese_sid_callback_reload=0; 

function wese_sid_callback(cookies) {
        // set cookie
	var sid=0;
	if(cookies['wese_sid']) sid=cookies['wese_sid'];
        var date=new Date();
        date.setTime(date.getTime()+(365*24*3600*1000));
        var x='wese_sid='+sid+'; expires='+date.toGMTString()+'; path=/'
	if(0) x+='; secure';
        document.cookie=x;
	// re 
	if((wese_sid_callback_reload)&&(sid)) wese_sid_reload();
}

function wese_sid_check(url) {
	var wese_sid='';
	var x=document.cookie;
	var arr = x.split('wese_sid=');
	if(arr.length>1) {
		x=arr[1];
		arr=x.split(' ');
		wese_sid=arr[0];
	}
	if(!wese_sid) wese_ajax_exec(url);
}
function wese_sid_reload() {
	// re 
	setTimeout("window.location.href=window.location.href;",1);
}

function wese_sid_user_logout() {
	wese_ajax_exec('/wese_session.php?user_logout=1');
}