var hidden_Tab = 1;
var ObjChange,TabContent,TabContent2 = "";
function showTab(clicked_Tab)
{
    if(navigator.appName == 'Netscape')
    { 
        if(clicked_Tab == 1)
        {
            TabContent = document.getElementById('topicsList').innerHTML;
            if(TabContent2 == "")
            {
                ObjChange = 'topicsList';
                getTabContent();
            }
            else
            {
                document.getElementById('topicsList').innerHTML = TabContent2;
            }   
            hidden_Tab = 0;
        }
        
        if(clicked_Tab == 0)
        {
            TabContent2 = document.getElementById('topicsList').innerHTML;
            document.getElementById('topicsList').innerHTML = TabContent;
            hidden_Tab = 1;
        }
    }
    else
    {        
        if(clicked_Tab == 1)
        {
            TabContent = document.all.item('topicsList').innerHTML;
            if(TabContent2 == "")
            {
                ObjChange = 'topicsList';
                getTabContent();
            }
            else
            {
                document.all.item('topicsList').innerHTML = TabContent2;
            }   
            hidden_Tab = 0;
        }
        
        if(clicked_Tab == 0)
        {
            TabContent2 = document.all.item('topicsList').innerHTML;
            document.all.item('topicsList').innerHTML = TabContent;
            hidden_Tab = 1;
        }                   
    }

}

 function getTabContent(clicked_Tab) 
 {
    AjxObj_ = CreateAjaxObject();
    
    try{
        AjxObj_.open('GET', 'home_popular.asp');
        AjxObj_.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        AjxObj_.onreadystatechange = handleResponseText;
		AjxObj_.send(null);
	}
	catch(e){}
	finally{}

}


function CreateAjaxObject()
{
     var http_request = false;

    if (window.XMLHttpRequest) 
    { // Mozilla, Safari,...            
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) 
        { http_request.overrideMimeType('text/xml');}
    } else if (window.ActiveXObject) 
    { // IE
        try 
        {http_request = new ActiveXObject("Msxml2.XMLHTTP");} 
        catch (e) 
        {try 
            {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }

    if (!http_request) 
    {
        alert('Cannot create an XMLHTTP instance');
        return false;
    }
    else
    {
        return http_request;
    }

}

function handleResponseText()
{
	try{
    if((AjxObj_.readyState == 4)&& (AjxObj_.status == 200)){
    	var response = AjxObj_.responseText;
    	if(navigator.appName == 'Netscape')
        { 
    	document.getElementById(ObjChange).innerHTML = response;
    	}
    	else
        { 
    	document.all.item(ObjChange).innerHTML = response;
    	}
    	
		}
    }
	catch(e){}
	finally{}
}

function toggleBoxes(boxId,topicoId)
  {
    var boxes= new Array();
    boxes[0]="authorAndCredits";
    boxes[1]="relatedTopics";
    boxes[2]="references";
    boxes[3]="comments";
        
    for(i=0;i<boxes.length;i++)
    {
      if(boxId == boxes[i])
      {
        if(isDisplay(boxes[i]))
        {
            topicoId = 0;
            boxId    = 0;
        }      
        setDisplay(boxes[i],!(isDisplay(boxes[i])))
      }
      else
      {
        setDisplay(boxes[i],false)
      }
    }
    new Ajax.Request('topico_status.asp?id=' + topicoId + '&box=' + boxId);
  }
  

  function toggleBranch(branchId,action) {
    var treeNode = getElement('i'+branchId)
    if(action == 'open') {
    
      setDisplay('tm'+branchId,true);
      setDisplay('tp'+branchId,true);
      new Ajax.Request('ftemas_status.asp?id='+branchId+'&stat=open');
      if(treeNode)
        treeNode.src = 'img/pointer_bottom.gif';
      }
      
    else {
    
      setDisplay('tm'+branchId,false);
      setDisplay('tp'+branchId,false);
      new Ajax.Request('ftemas_status.asp?id='+branchId+'&stat=close');
      if(treeNode)
        treeNode.src = 'img/pointer_right.gif';
      }
      
  }
  
  function treeStat(branchId,action) {
    var treeNode = getElement('i'+branchId)
    if(action == 'open') {
    
      setDisplay('tm'+branchId,true);
      setDisplay('tp'+branchId,true);
      if(treeNode)
        treeNode.src = 'img/pointer_bottom.gif';
      }
      
    else {
    
      setDisplay('tm'+branchId,false);
      setDisplay('tp'+branchId,false);
      if(treeNode)
        treeNode.src = 'img/pointer_right.gif';
      }
      
  }  
    
  //OLD VERSION - LAST USE (29/06/2009)
  function showToolTip(palavra_id){
    var tool_id = 'tool_' + palavra_id;          
      setLeft(tool_id,currentX+3);
    setTop(tool_id,currentY+3);
    setDisplay(tool_id,true);
  }
  
  function showToolTip1(palavra_id){
    var tool_id = 'tool_' + palavra_id;
	var spanElement=document.getElementById('t_' + palavra_id);
    setTop(tool_id,spanElement.offsetTop+spanElement.offsetHeight+2);
	setLeft(tool_id,spanElement.offsetLeft);
    setDisplay(tool_id,true);
  }
  
  function hideToolTip(palavra_id){
    var tool_id = 'tool_' + palavra_id;
      setDisplay(tool_id,false);
  }           
  
  // OLD VERSION - LAST USE (29/06/2009)
  function showDefinicao(palavra_id){//alert(navigator.userAgent);
    var glossario_id = 'glos_' + palavra_id;
    setTop(glossario_id,currentY+3);           
      setLeft(glossario_id,currentX+3);  
    setDisplay(glossario_id,true);
  } 
  
  function showDefinicao1(palavra_id){//alert(navigator.userAgent);
    var glossario_id = 'glos_' + palavra_id;
    var spanElement=document.getElementById('g_' + palavra_id);
    setTop(glossario_id,spanElement.offsetTop+spanElement.offsetHeight+2);          
    setLeft(glossario_id,spanElement.offsetLeft);  
    setDisplay(glossario_id,true);
  }
  
  function hideDefinicao(palavra_id){
    var glossario_id = 'glos_' + palavra_id;
      setDisplay(glossario_id,false);
  }