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);
	}
}
function isWebKit(){
	return RegExp(" AppleWebKit/").test(navigator.userAgent);
}
function ajaxUpload(form,url_action,id_element,html_show_loading,html_error_http){
	var detectWebKit = isWebKit();
	form = typeof(form)=="string"?m(form):form;
	var erro="";
	if(form==null || typeof(form)=="undefined"){
		erro += "The form of 1st parameter does not exists.\n";
	}else if(form.nodeName.toLowerCase()!="form"){
		erro += "The form of 1st parameter its not a form.\n";
	}
	if(m(id_element)==null){
		erro += "The element of 3rd parameter does not exists.\n";
	}
	if(erro.length>0){
		alert("Error in call ajaxUpload:\n" + erro);
		return;
	}
	var iframe = document.createElement("iframe");
	iframe.setAttribute("id","ajax-temp");
	iframe.setAttribute("name","ajax-temp");
	var sz=0;
	iframe.setAttribute("width",sz);
	iframe.setAttribute("height",sz);
	iframe.setAttribute("border","0");
	iframe.setAttribute("style","width: "+sz+"; height: "+sz+"; border: 0;");
	form.parentNode.appendChild(iframe);
	window.frames['ajax-temp'].name="ajax-temp";
	var doUpload = function(){
		//alert($('#ajax-temp').html());
		removeEvent(m('ajax-temp'),"load", doUpload);
		var cross = "javascript:";
		//PXL_afterUpload(,obj);
		var o={};
		for(p in obj) {
			o.p=obj.p;
		}
		cross += "window.parent.m('"+id_element+"').innerHTML=document.body.innerHTML;window.parent.PXL_afterUpload(document.body.innerHTML);void(0);";
		window.parent.document.getElementById('filename').disabled=false;
		m(id_element).innerHTML = html_error_http;
		//alert(m('ajax-temp').innerHTML);
		m('ajax-temp').src = cross;
		/*
		if(detectWebKit){
        	remove(m('ajax-temp'));
        }else{
        	setTimeout(function(){ remove(m('ajax-temp'))}, 250);
        }*/
    }
	addEvent(m('ajax-temp'),"load", doUpload);
	form.setAttribute("target","ajax-temp");
	form.setAttribute("action",url_action);
	form.setAttribute("method","post");
	form.setAttribute("enctype","multipart/form-data");
	form.setAttribute("encoding","multipart/form-data");
	if(html_show_loading.length > 0){
		m(id_element).innerHTML = html_show_loading;
	}
	form.submit();
}