function AjaxMaker(strURL,IsPost,call_back) {
	var xmlHttpReq = false;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        this.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        this.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    
    this.xmlHttpReq.onreadystatechange = call_back;
    
    if(IsPost)
    {
		this.xmlHttpReq.open('POST', strURL, true);
		this.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		this.xmlHttpReq.send(null);
    }
    else
    {
		this.xmlHttpReq.open('GET', strURL);
		this.xmlHttpReq.send(null);
    }
    return this;
}