// JS padrao dos sites


/* funcoes ______________________________________    */

// Para criar o cookie
    /*function createCookie(name,value,daes) {
      var valueTemp = "";
      if (daes) {
        var date = new Date();
        date.setTime(date.getTime()+(daes*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
      }
      else expires = "";
      valueTemp = value + "&&&###&&&" + document.getElementById("conteiner").style.fontSize;
      valor = valueTemp;
      document.cookie = name+"="+valor+expires+"; path=/";
    }


    function readCookie(name) {
       var nameEQ = name + "=";
       var allCookieValue = "";
       var valuesCookie="";
	   
       //Jeronimo, em 31/05/2006
	   
       var ca = document.cookie.split(';');
	   	   
       for(var i=0;i < ca.length;i++) {
          var c = ca[i];
          while (c.charAt(0)==' ') c = c.substring(1,c.length);
          if (c.indexOf(nameEQ) == 0)
            allCookieValue = c.substring(nameEQ.length,c.length);
          valuesCookie = allCookieValue.split("&&&###&&&");
          document.getElementById("conteiner").style.fontSize = valuesCookie[0].valueOf().toString();
          return valuesCookie[0].valueOf().toString();
       }
      return null;
    }
  */
    
    function getPreferredStyleSheet() {
      var i, a;
      for(i=0;(a=document.getElementsByTagName("link")[i]);i++)
      {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) 
        return a.getAttribute("title");
      }
      return null;
    }    
    
 /*
    window.onload = function(e) {
       var cookie = readCookie("style");
       var title = cookie ? cookie : getPreferredStyleSheet(); 
       setActiveStyleSheet(title);
    }
   */

// Para fazer funcionar o menu do site em IE
function IEHoverPseudo() {

	var navItems = document.getElementById("menucss").getElementsByTagName("li");
	
	for (var i=0; i<navItems.length; i++) {
			navItems[i].onmouseover=function() { this.oldClass = this.className; this.className += " over"; }
			navItems[i].onmouseout=function() { this.className = this.oldClass; }
	}

//	Para fazer funcionar OUTRO menu no site em IE - so quando TEM outro menu

var navItems = document.getElementById("menu_servicos").getElementsByTagName("li");
	
	for (var i=0; i<navItems.length; i++) {
			navItems[i].onmouseover=function() { this.oldClass = this.className; this.className += " over2"; }
			navItems[i].onmouseout=function() { this.className = this.oldClass; }
	}


}
/*
window.onload = function(e) {
	// alert ("load");
	IEHoverPseudo();
       var cookie = readCookie("style");
       var title = cookie ? cookie : getPreferredStyleSheet(); 
	   setActiveStyleSheet(title);
       
    }
    
    window.onunload = function(e) {
	// alert ("unload");
       var title = getActiveStyleSheet();
       createCookie("style", title, 365);
    }
*/	

	
// Estabelece o aumento das fontes	
function zoom(how){
    if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById){
        //era o navegador Opera
        document.getElementById("conteiner").style.fontSize=how+"px";
    }
    else{
        //era outro navegador
        document.all.conteiner.style.fontSize=how+"px";
        document.all.conteiner;
    }
    createCookie("tamanho", how, 365);
}

// Faz parte do script geral do cookie	
    function getActiveStyleSheet() {
      var i, a;
      for(i=0;(a=document.getElementsByTagName("link")[i]);i++)
      {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")
           && !a.disabled) return a.getAttribute("title");
        }
      return null; 
    }
    
    
    function changeFontSize(v){
      
      estilo = getActiveStyleSheet();
      
      if (v == "+") {
        if (estilo == "default") {estilo = "acessib1"; }
        else
          if (estilo == "acessib1") {estilo = "acessib2"; }
          else
            if (estilo == "acessib2") {estilo = "acessib3"; }            
            else {
                  estilo = "acessib3";
                  alert("O tamanho máximo é o atual");
            }
      }
      if (v == "-") {
        if (estilo == "acessib3") {estilo = "acessib2"; }
        else
          if (estilo == "acessib2") {estilo = "acessib1"; }
          else
            if (estilo == "acessib1") {estilo = "default"; }          
            else {
                  estilo = "default";
                  alert("O tamanho mínimo é o atual");
            }
      }
      setActiveStyleSheet(estilo);
      
    }

    function changeActiveStyleSheet() {
      var actual, other;
      actual = getActiveStyleSheet();
      if (actual == 'default')
      {
	setActiveStyleSheet('acessivel');
      }
      else
      {
	setActiveStyleSheet('default');
      }
     } 
      
	function changeSize() {
      var actualsize;
      
      if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById){
        //era o navegador Opera
        actualsize = document.getElementById("conteiner").style.fontSize;
	    }
      else{
        //era outro navegador
        actualsize = document.all.conteiner.style.fontSize;
	  }
      //alert(actualsize);
      if (actualsize == '11px')
      {
      	document.getElementById("plus").style.visibility = 'hidden';
      	document.getElementById("menos").style.visibility = 'visible';      	
		zoom('18');
	document.getElementById("manchete2").style.height = '22em';
		
      }
      else
      {
      	document.getElementById("plus").style.visibility = 'visible';
      	document.getElementById("menos").style.visibility = 'hidden';      	
		zoom('11');
		document.getElementById("manchete2").style.height = '19.8em';
      }      
     
    }

    function setActiveStyleSheet(title) {
      var i, a, main;
      for(i=0;(a=document.getElementsByTagName("link")[i]);i++)
      {
//	  alert(a.valueOf());
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
           a.disabled = true;
           if(a.getAttribute("title") == title) a.disabled = false;
        }
      }
      createCookie("style", getActiveStyleSheet(), 365);
    }
	
/* copiado do site da acessibilidade legal :-) */
function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  IEHoverPseudo();
//  var cookie = readCookie("style");
  var title = readCookie("style");
  var size = readCookie("tamanho");
//  var title = cookie ? cookie : getPreferredStyleSheet();
  if (title == '' || title == null || title.lenght <= 2 || title == 'null') {
		title = 'default';
  }
  if (size == '' || size == null || size == 'null') {
		size = '11';
  }

  setActiveStyleSheet(title);
  zoom(size);  
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

/*
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
*/