EDIT

/**

 * Java script to allow sending HTTP POST request from normal anchor elements.

 *

 * expected html:

 *

 * <a class="http-POST-link" data-cdm-http-post=""

 */

jQuery(document).ready(function($) {

    $('.http-POST-link').click(function(eventObject){

        eventObject.preventDefault();

        var target = $(eventObject.target);

        var postData = target.attr('data-cdm-http-post');

        var url = target.attr('href');

        var target = target.attr('target');

        ////////////////

        /*

        var contentType = target.attr('type');

        if(!contentType) {

            contentType = 'application/x-www-form-urlencoded';

        }

        $.ajax({

            type: 'POST',

            dataType : 'json',

            dataFilter : function(data, type) {

                altert(type);

                return data;

            },

            url: url,

//            headers: {

//                "Content-Type": contentType

//            },

            contentType: contentType,

            data: postData,

            complete: function(jqXHR, textStatus){

                alert(textStatus);

                var data = jqXHR.responseText;

                var win = window.open();

                win.document.write(data);

            },

        });

        */

        ////////////////////

        var postForm = $('<form id="http-method-link-form" action="' + url + '" method="POST" target="' + target + '"></form>');

        // extract request parameters from post_data

        var tokens = postData.split("&");

        for(var i=0; i < tokens.length; i++){

            pair = tokens[i].split('=');

            postForm.append('<input type="hidden" name="' + pair[0] + '" value="' + urldecode(pair[1]) + '" />');

        }

        $('body').append(postForm);

        postForm.submit();

        $('#http-method-link-form').remove();

        postForm = null;

    });

    function urldecode (str) {

        return decodeURIComponent((str + '').replace(/\+/g, '%20'));

    }

});