// JavaScript Document


function lib_bwcheck(){ //Browsercheck (needed)
    this.ver=navigator.appVersion
    this.agent=navigator.userAgent
    this.dom=document.getElementById?1:0
    this.opera5=this.agent.indexOf("Opera 5")>-1
    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.ie4=(document.all && !this.dom && !this.opera5)?1:0;
    this.ie=this.ie4||this.ie5||this.ie6
    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.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
    return this
}
var bw=new lib_bwcheck()


/**************************************************************************
Variables to set.
***************************************************************************/
sLeft = 40         //The left placement of the menu
sTop = 0        //The top placement of the menu
sMenuheight = 400 //The height of the menu
sArrowwidth = 40  //Width of the arrows
sScrollspeed = 20 //Scroll speed: (in milliseconds, change this one and the next variable to change the speed)
sScrollPx = 8     //Pixels to scroll per timeout.
sScrollExtra = 15 //Extra speed to scroll onmousedown (pixels)

/**************************************************************************
Scrolling functions
***************************************************************************/
var tim = 0
var noScroll = true
function mLeft(){
    if (!noScroll && oMenu.x<sArrowwidth){
        oMenu.moveBy(sScrollPx,0)
        tim = setTimeout("mLeft()",sScrollspeed)
    }
}
function mRight(){
    if (!noScroll && oMenu.x>-(oMenu.scrollWidth-(pageWidth))-sArrowwidth){
        oMenu.moveBy(-sScrollPx,0)
        tim = setTimeout("mRight()",sScrollspeed)
    }
}
function noMove(){
    clearTimeout(tim);
    noScroll = true;
    sScrollPx = sScrollPxOriginal;
}
/**************************************************************************
Object part
***************************************************************************/
function makeObj(obj,nest,menu){
    nest = (!nest) ? "":'document.'+nest+'.';
    this.elm = bw.ns4?eval(nest+"document.layers." +obj):bw.ie4?document.all[obj]:document.getElementById(obj);
       this.css = bw.ns4?this.elm:this.elm.style;
    this.scrollWidth = bw.ns4?this.css.document.width:this.elm.offsetWidth;
    this.x = bw.ns4?this.css.left:this.elm.offsetLeft;
    this.y = bw.ns4?this.css.top:this.elm.offsetTop;
    this.moveBy = b_moveBy;
    this.moveIt = b_moveIt;
    this.clipTo = b_clipTo;
    return this;
}
var px = bw.ns4||window.opera?"":"px";
function b_moveIt(x,y){
    if (x!=null){this.x=x; this.css.left=this.x+px;}
    if (y!=null){this.y=y; this.css.top=this.y+px;}
}
function b_moveBy(x,y){this.x=this.x+x; this.y=this.y+y; this.css.left=this.x+px; this.css.top=this.y+px;}
function b_clipTo(t,r,b,l){
    if(bw.ns4){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l;}
    else this.css.clip="rect("+t+"px "+r+"px "+b+"px "+l+"px)";
}

var sScrollPxOriginal = sScrollPx;
function sideInit(){
  
    pageWidth = 800;
    
    //Making the objects...
    oBg = new makeObj('divBg')
    oMenu = new makeObj('divMenu','divBg',1)
    oArrowRight = new makeObj('divArrowRight','divBg')
    
    //Placing the menucontainer, the layer with links, and the right arrow.
    oBg.moveIt(sLeft,sTop) //Main div, holds all the other divs.
    oMenu.moveIt(sArrowwidth,null)
    oArrowRight.css.width = sArrowwidth;
    oArrowRight.moveIt(pageWidth-sArrowwidth,null)
    
    //Setting the width and the visible area of the links.
    if (!bw.ns4) oBg.css.overflow = "hidden";
    if (bw.ns6) oMenu.css.position = "relative";
    oBg.css.width = pageWidth+px;
    oBg.clipTo(0,pageWidth,sMenuheight,0)
    oBg.css.visibility = "visible";
}

if (bw.bw) onload = sideInit;


 // Início do código de Aumentar/ Diminuir a letra
 
// Para usar coloque o comando: "javascript:mudaTamanho('tag_ou_id_alvo', -1);" para diminuir
// e o comando "javascript:mudaTamanho('tag_ou_id_alvo', +1);" para aumentar
 
var tagAlvo = new Array('p'); //pega todas as tags p//
 
// Especificando os possíveis tamanhos de fontes, poderia ser: x-small, small...
var tamanhos = new Array( '9pt','10pt','11pt','12pt','13pt','14pt','15pt');
var tamanhoInicial = 2;
 
function mudaTamanho( idAlvo,acao ){
  if (!document.getElementById) return
  var selecionados = null,tamanho = tamanhoInicial,i,j,tagsAlvo;
  tamanho += acao;
  if ( tamanho < 0 ) tamanho = 0;
  if ( tamanho > 10 ) tamanho = 10;
  tamanhoInicial = tamanho;
  if ( !( selecionados = document.getElementById( idAlvo ) ) ) selecionados = document.getElementsByTagName( idAlvo )[ 0 ];
  
  selecionados.style.fontSize = tamanhos[ tamanho ];
  
  for ( i = 0; i < tagAlvo.length; i++ ){
    tagsAlvo = selecionados.getElementsByTagName( tagAlvo[ i ] );
    for ( j = 0; j < tagsAlvo.length; j++ ) tagsAlvo[ j ].style.fontSize = tamanhos[ tamanho ];
  }
}
// Fim do código de Aumentar/ Diminuir a letra


