var output;
function GetXmlHttpObject(handler)
{
    var objXMLHttp=null
    if (window.XMLHttpRequest)
    {
        objXMLHttp=new XMLHttpRequest()
    }
    else if (window.ActiveXObject)
    {
        objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
    }
    return objXMLHttp
}

function stateChanged()
{
   
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {
    
        document.getElementById(output).innerHTML= xmlHttp.responseText;
    }
    else {
//    alert(xmlHttp.status);
}
}
function htmlData(url, qStr)
{
    if (url.length==0)
    {
        document.getElementById(output).innerHTML="";
        return;
    }
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null)
    {
        alert ("O seu Browser não é compatível com os scripts que utilizamos!");
        return;
    }

    url=url+qStr;
    url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true) ;
    xmlHttp.send(null);
  
}



function show(idElement){ 
    //alert(idElement);
    document.getElementById(idElement).style.visibility= "visible";
	
}
function getCategoria(){
    var id = document.getElementById("categorias").value;
    output ="";
    var url ='index.php?mode=catalogo&marca=0&cat='+id;
    var qStr ='catSup='+id;
    document.location.href=url;
    htmlData(url,qStr);



}
function getContent(content,div){
    var url ='';
    output = div;
    if(content == "login"){
        url = "inc_login.php";
    }else if(content == "newsletter"){
        url = "views/inc_newsletter.php";
    }
    var qStr ='?';
    htmlData(url,qStr);
}


function getCategorias(){
    var catS = document.getElementById("categorias").value;
    var cat = document.getElementById("subCategorias").value;
    var marca = document.getElementById("marcas").value;
    if (cat!=0){
        var url='index.php?mode=catalogo&marca=0&cat='+cat+'&catSup='+catS;
        document.location.href=url;
    }else{
        var url2 ='index.php?mode=catalogo&marca='+marca+'&cat='+cat+'&catSup='+catS;
        document.location.href=url2;
    }

}
function qry(){
    var marca = document.getElementById("marcas").value;
    marca = "marca="+marca;
    var cat = document.getElementById("categorias").value;
    cat = "&cat="+cat;
        
 
    var  produto = marca + cat;
    var url='index.php?mode=catalogo&' + produto;
    document.location.href=url;
}

function order(){
    var marca = document.getElementById("marcas").value;
    marca = "marca="+marca;
    var cat = document.getElementById("categorias").value;
    cat = "&cat="+cat;
    var order="&order="+document.getElementById("order").value;
    var  produto = marca + cat + order;
    var url='index.php?mode=catalogo&' + produto;
    document.location.href=url;
}





function Add(idProd){
    var url='index.php?mode=loja&prod='+ idProd;
    document.location.href=url;
}
function Sub(idProd){   
    var url='index.php?mode=loja&prod='+ idProd +'&var=sub';
    document.location.href=url;
}