/*
(C) 2006 WATARU http://wi-wi.jp/
based on wwpaja.js
*/
var ajReq=null, ajCallback=null;
function loadAjax(url,callback){var enctype="applecation/x-www-form-urlencoded";ajReq=new createAjax();if(!ajReq) return;ajCallback=callback;ajReq.onreadystatechange=processAjax;ajReq.open('GET',url,true,'','');if(window.opera){ajReq.setRequestHeader('Conent-Type', enctype);}else if((typeof ajReq.setRequestHeader) =='function'){ajReq.setRequestHeader('Conent-Type', enctype);}ajReq.send("");}
function createAjax(){if(!!window.XMLHttpRequest){try{return new XMLHttpRequest();}catch(e){return null;}}else if(!!window.ActiveXObject) {try{return new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{return ActiveXObject("Microsoft.XMLHTTP");}catch(e){return null;}}}return null;}
function processAjax(){ajReq.onreadystatechange =function (){if(ajReq.readyState==4){if(ajReq.status==200){ajCallback(ajReq);}else if(ajReq.status==302){ajCallback(ajReq);}else if(ajReq.status==404){alert('file not found');ajCallback(ajReq);}else{alert('something error has occured');ajCallback(ajReq);}}}}