function AutoSubmit() {
        var field;
        var form;
}

AutoSubmit.prototype = {
        setField:function(field) {
                this.field = field;
        },
        setForm:function(form) {
                this.form = form;
        },
        init:function() {
                if (this.field == null) return;

                switch(this.field.tagName.toLowerCase()){
                    case "select": this.field.onchange = this.scope(this.handleChange);break;
                    default: this.field.onclick = this.scope(this.handleChange);break;
                }
        },
        handleChange:function(e) {
                if (this.form == null) return;
                this.form.submit();
        },
        scope:function(method) {
                var scope = this;
                return function() {
                        return method.apply(scope, arguments);
                }
        }
}

function autosubmit(){

        var objform;
        var el;
        var els;

        if(document.forms!=null && document.forms.length>0){

           for (var i=0;i<document.forms.length;i++){
                  objform=document.forms[i];
                  els=objform.getElementsByTagName("select");

                  for (var j=0;els!=null && j<els.length;j++){
                      el=els[j];

                      if(el.getAttribute("nf:autosubmitformid")!=null){
                             var auto = new AutoSubmit();
                             auto.setField(el);
                             var form=document.getElementById(el.getAttribute("nf:autosubmitformid"));
                             auto.setForm(form);
                             auto.init();
                      }
                  }

                  els=objform.getElementsByTagName("input");

                  for (var j=0;els!=null && j<els.length;j++){
                      el=els[j];

                      if(el.getAttribute("nf:autosubmitformid")!=null){
                             var auto = new AutoSubmit();
                             auto.setField(el);
                             var form=document.getElementById(el.getAttribute("nf:autosubmitformid"));
                             auto.setForm(form);
                             auto.init();
                      }
                  }
           }
        }
}

EventListener.addEvent(window, 'load', function(e) {       
        autosubmit();
});