function postForm(inst){
    var content = tinyMCE.getContent().replace(/\+/g, "&#43");
    content = content.replace(/\\/g, "&#92");
    content = escape(content);
    var url = 'index.php?m=page&class=editor&event=save';
    var pars = "url=" + escape(location.search) + "&content=" + content;
    var myAjax = new Ajax.Request( 
        url, 
        { 
            method: 'post', 
            postBody: pars, 
            onComplete: showResponse 
        }
    );
}

function showResponse(t) {
    window.alert(t.responseText);
}