// This over-rides our form submit function and adds "CONTENT-TYPE: APPLICATION/XML" to the header
Ext.extend(Ext.form.Action.Submit, Ext.form.Action, {
    type : 'submit',

    run : function(){
        var o = this.options;
        var method = this.getMethod();
        var isPost = method == 'POST';
        if(o.clientValidation === false || this.form.isValid()){
            Ext.Ajax.request(Ext.apply(this.createCallback(), {
                form:this.form.el.dom,
                url:this.getUrl(!isPost),
                method: method,
								headers: {
								  'Content-Type': 'application/xml'
								 },
                params:isPost ? this.getParams() : null,
                isUpload: this.form.fileUpload
            }));

        }else if (o.clientValidation !== false){ // client validation failed
            this.failureType = Ext.form.Action.CLIENT_INVALID;
            this.form.afterAction(this, false);
        }
    },

    success : function(response){
        var result = this.processResponse(response);
        if(result === true || result.success){
            this.form.afterAction(this, true);
            return;
        }
        if(result.errors){
            this.form.markInvalid(result.errors);
            this.failureType = Ext.form.Action.SERVER_INVALID;
        }
        this.form.afterAction(this, false);
    },

    handleResponse : function(response){
        if(this.form.errorReader){
            var rs = this.form.errorReader.read(response);
            var errors = [];
            if(rs.records){
                for(var i = 0, len = rs.records.length; i < len; i++) {
                    var r = rs.records[i];
                    errors[i] = r.data;
                }
            }
            if(errors.length < 1){
                errors = null;
            }
            return {
                success : rs.success,
                errors : errors
            };
        }
        return Ext.decode(response.responseText);
    }
});

// This overrides our form serializer and makes it into XML instead of &this=that junk
Ext.lib.Ajax.serializeForm = function(form) {
    if(typeof form == 'string') {
        form = (document.getElementById(form) || document.forms[form]);
    }

    var el, name, val, disabled, data = '', hasSubmit = false;
    for (var i = 0; i < form.elements.length; i++) {
        el = form.elements[i];
        disabled = form.elements[i].disabled;
        name = form.elements[i].name;
        val = form.elements[i].value;

        if (!disabled && name){
            switch (el.type)
                    {
                case 'select-one':
                case 'select-multiple':
                    for (var j = 0; j < el.options.length; j++) {
                        if (el.options[j].selected) {
                            if (Ext.isIE) {
                                data += '<' + encodeURIComponent(name) + '>' + encodeURIComponent(el.options[j].attributes['value'].specified ? el.options[j].value : el.options[j].text) + '</' + encodeURIComponent(name) + '>';
                            }
                            else {
                                data += '<' + encodeURIComponent(name) + '>' + encodeURIComponent(el.options[j].hasAttribute('value') ? el.options[j].value : el.options[j].text) + '</' + encodeURIComponent(name) + '>';
                            }
                        }
                    }
                    break;
                case 'radio':
                case 'checkbox':
                    if (el.checked) {
                        data += '<' + encodeURIComponent(name) + '>' + encodeURIComponent(val) + '</' + encodeURIComponent(name) + '>';
                    }
                    break;
                case 'file':

                case undefined:

                case 'reset':

                case 'button':

                    break;
                case 'submit':
                    if(hasSubmit == false) {
                        data += '<' + encodeURIComponent(name) + '>' + encodeURIComponent(val) + '</' + encodeURIComponent(name) + '>';
                        hasSubmit = true;
                    }
                    break;
                default:
                    data += '<' + encodeURIComponent(name) + '>' + val + '</' + encodeURIComponent(name) + '>';
                    break;
            }
        }
    }
		// This takes the trailing & off...
    // data = data.substr(0, data.length - 1);
    return '<object>'+data+'</object>';
}