function $m(theVar){

	return document.getElementById(theVar)

}

function remove(theVar){

	var theParent = theVar.parentNode;

	theParent.removeChild(theVar);

}

function addEvent(obj, evType, fn){

	if(obj.addEventListener)

	    obj.addEventListener(evType, fn, true)

	if(obj.attachEvent)

	    obj.attachEvent("on"+evType, fn)

}

function removeEvent(obj, type, fn){

	if(obj.detachEvent){

		obj.detachEvent('on'+type, fn);

	}else{

		obj.removeEventListener(type, fn, false);

	}

}



// browser detection

function isWebKit(){

	return RegExp(" AppleWebKit/").test(navigator.userAgent);

}



// send data

function ajaxUpload(form){

	var detectWebKit = isWebKit();

	var get_url = '../../../minipicup/upload.php';// php file

	var div_id = 'upload_area';// div id where to show uploaded image

	var show_loading = '<img src="http://www.iranfi.eu/engine/data/emoticons/buff.gif" />';// loading image

	var html_error = '<img src="../../../minipicup/error.png" />';// error image



	// create iframe

	var sendForm = document.createElement("iframe");

	sendForm.setAttribute("id","uploadform-temp");

	sendForm.setAttribute("name","uploadform-temp");

	sendForm.setAttribute("width","0");

	sendForm.setAttribute("height","0");

	sendForm.setAttribute("border","0");

	sendForm.setAttribute("style","width: 0; height: 0; border: none;");



	// add to document

	form.parentNode.appendChild(sendForm);

	window.frames['uploadform-temp'].name="uploadform-temp";



	// add event

	var doUpload = function(){

		removeEvent($m('uploadform-temp'),"load", doUpload);

		var cross = "javascript: ";

		cross += "window.parent.$m('"+div_id+"').innerHTML = document.body.innerHTML; void(0);";

		$m(div_id).innerHTML = html_error;

		$m('uploadform-temp').src = cross;

		if(detectWebKit){

        	remove($m('uploadform-temp'));

        }else{

        	setTimeout(function(){ remove($m('uploadform-temp'))}, 250);

        }

    }

	addEvent($m('uploadform-temp'),"load", doUpload);



	// form proprietes

	form.setAttribute("target","uploadform-temp");

	form.setAttribute("action",get_url);

	form.setAttribute("method","post");

	form.setAttribute("enctype","multipart/form-data");

	form.setAttribute("encoding","multipart/form-data");



	// loading

	if(show_loading.length > 0){

		$m(div_id).innerHTML = show_loading;

	}

	// submit

	form.submit();

	formDisable();

  return false;

}



// disable form

  function formDisable() {

    var limit = document.forms[0].elements.length;

    for (i=0;i<limit;i++) {

      document.forms[0].elements[i].disabled = true;

    }

  }



// enable form

  function formEnable() {

    var limit = document.forms[0].elements.length;

    for (i=0;i<limit;i++) {

      document.forms[0].elements[i].disabled = false;

    }

  }



// when from is submited

// disable form and after 5sec

//reload captcha, reset form, then enable it

function formDone() {

	formDisable();

setTimeout ( "formEnable()", 5000 );

}