var ie = (navigator.userAgent.indexOf("MSIE") >= 0) ? true : false;
var firefox = (navigator.userAgent.indexOf("Firefox") >= 0) ? true : false;
var chrome = (navigator.userAgent.indexOf("Chrome") >= 0) ? true : false;
var safari = (navigator.userAgent.indexOf("Safari") >= 0) ? true : false;
var opera = (navigator.userAgent.indexOf("Opera") >= 0) ? true : false;

function bDetect(){
	if(ie){ alert("IE"); }
	if(firefox){ alert("Firefox"); }
	if(chrome){ alert("Chrome"); }
	if(safari){ alert("Safari"); }
	if(opera){ alert("Opera"); }
}

//sm_ids = ["sm_web","sm_design","sm_software","sm_suporte"];

function _id(oid){
	return document.getElementById(oid);
}

function addEvent(obj,evt,fn){
	o = _id(obj);
	if(o.addEventListener){
		o.addEventListener(evt,fn,true);
	} else if(o.attachEvent){
		o.attachEvent("on"+evt,fn);
	} else {
		alert("addEvent error.");
	}
}

function txtFocus(obj,cls,txt){
	if(obj.value == txt){
		obj.value = "";
		obj.className = cls;
	}
}

function txtBlur(obj,cls,txt){
	if(obj.value.length < 1){
		obj.value = txt;
		obj.className = cls;
	}
}

window.onload = function(){
	//addEvent("m_web","mouseover",function(){showMenu('sm_web')});
	//addEvent("m_design","mouseover",function(){showMenu('sm_design')});
	//addEvent("m_software","mouseover",function(){showMenu('sm_software')});
	//addEvent("m_suporte","mouseover",function(){showMenu('sm_suporte')});
	//addEvent("fs_search","focus",function(e){txtFocus(this,'inp_busca_focus','Pesquisar...')});
	//addEvent("fs_search","blur",function(e){txtBlur(this,'inp_busca','Pesquisar...')});
}

//document.onclick = hideMenus;
document.onclick = function(){
	//hideMenus();
	//hidePageExpress();
}

var ajaxNews = getHTTPObject();
//var ajax = new XMLHttpRequest();

function formNews(){
	var url = "news.php?n="+_id('fn_nome').value+"&m="+_id('fn_email').value;
	ajaxNews.open("GET",url,true);
	ajaxNews.onreadystatechange = function() { formNewsGet('return_news'); };
	ajaxNews.send(null);
	_id('fn_submit').blur();
}

function formNewsGet(rid){
	if (ajaxNews.readyState == 4){
		if (ajaxNews.status == 200){
			_id(rid).innerHTML = ajaxNews.responseText;
			_id(rid).style.display = "block";
			ajaxNews.abort();
		} else {
			alert("ajaxNews request error: " + ajaxNews.statusText);
		}
	} else {
		_id(rid).innerHTML = "Enviando...";
	}
}

function formNewsHide(){
	_id('return_news').innerHTML = "";
}

function loadCSS(url) {
    var lnk = document.createElement('link');
    lnk.setAttribute('type', "text/css" );
    lnk.setAttribute('rel', "stylesheet" );
    lnk.setAttribute('href', url );
    document.getElementsByTagName("head").item(0).appendChild(lnk);
}