//
var timertexto;
//intervalo com que faz scroll
function defineIntervalo(dir, id){
    if (dir == "esq")
        timertexto = setInterval("document.getElementById('divScrollCont" + id + "').scrollLeft -= 10", 50);
    else if (dir == "dto")
        timertexto = setInterval("document.getElementById('divScrollCont" + id + "').scrollLeft += 10", 50);
}

function lib_bwcheck(){ //Browsercheck (needed)
    this.ver=navigator.appVersion
    this.agent=navigator.userAgent
    this.dom=document.getElementById?1:0
    this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0;
    this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
    this.ie7=(this.ver.indexOf("MSIE 7")>-1 && this.dom && !this.opera5)?1:0;
    this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
    this.ie=this.ie4||this.ie5||this.ie6||this.ie7
    this.mac=this.agent.indexOf("Mac")>-1
    this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
    this.ns4=(document.layers && !this.dom)?1:0;
    this.bw=(this.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
    return this
}
var bw=lib_bwcheck()

var speed = 30

var loop, timer

function makeObj(obj,nest){
    nest=(!nest) ? "":'document.'+nest+'.'
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
    this.up=goUp;this.down=goDown;
    this.moveIt=moveIt; this.x=0; this.y=0;
    this.obj = obj + "Object"
    eval(this.obj + "=this")
    return this
}

var px = bw.ns4||window.opera?"":"px";

function moveIt(x,y){
    this.x = x
    this.y = y
    this.css.left = this.x+px
    this.css.top = this.y+px
}

function goDown(move){
    if (this.y>-this.scrollHeight+oCont.clipHeight){
      this.moveIt(0,this.y-move)
      if (loop) setTimeout(this.obj+".down("+move+")",speed)
    }
}
function goUp(move){
    if (this.y<0){
      this.moveIt(0,this.y-move)
      if (loop) setTimeout(this.obj+".up("+move+")",speed)
    }
}

function scroll(speed){
    if (scrolltextLoaded){
      loop = true;
      if (speed>0) oScroll.down(speed)
      else oScroll.up(speed)
    }
}

function noScroll(){
    loop = false
    if (timer) clearTimeout(timer)
}

var scrolltextLoaded = false
    
function scrolltextInit(){
    oCont = new makeObj('divScrollCont')
    oScroll = new makeObj('divCont','divScrollCont')
    oScroll.moveIt(0,0)
    oCont.css.visibility = "visible"
    scrolltextLoaded = true
    
    defineAparencia()
}

//se o conteudo da timeline couber nao mostra as setas de frente e tras
function defineAparencia()
{
    //se for o ie
    if (navigator.appVersion.indexOf("MSIE") > -1)
    {
        var cont = document.getElementById('divCont').offsetWidth;
        var scroll = document.getElementById('divScrollCont').offsetWidth;

        if(cont <= scroll)
        {
            //esconde as imagens
            document.getElementById('imgEsquerda').style.visibility="hidden"
            document.getElementById('imgDireita').style.visibility="hidden"
        }
    }
    else
    {
        var cont = document.getElementById('divCont').scrollWidth;
        var scroll = document.getElementById('divScrollCont').scrollWidth;

        if(cont >= scroll)
        {
            //esconde as imagens
            document.getElementById('imgEsquerda').style.visibility="hidden"
            document.getElementById('imgDireita').style.visibility="hidden"
        }
    }

}

/*if (bw.bw)
{
    onload = scrolltextInit
}*/