var dhtmlgoodies_slideSpeed = 10;        // Higher value = faster
var dhtmlgoodies_timer = 10;        // Lower value = faster
var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;

function showHideContent(e,inputId)
{
 if(dhtmlgoodies_slideInProgress)
  {
   return;
  }
 dhtmlgoodies_slideInProgress = true;
 if(!inputId)
  {
   inputId = this.id;
  }
 inputId = inputId + '';
 var numericId = inputId.replace(/[^0-9]/g,'');
 var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);
 objectIdToSlideDown = false;
 if(!answerDiv.style.display || answerDiv.style.display=='none')
  {
   if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId)
    {
     objectIdToSlideDown = numericId;
     slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
    }
   else
    {
     answerDiv.style.display='block';
     answerDiv.style.visibility = 'visible';
     slideContent(numericId,dhtmlgoodies_slideSpeed);
    }
  }
 else
  {
   slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
   dhtmlgoodies_activeId = false;
  }
}

function slideContent(inputId,direction)
{
 var obj =document.getElementById('dhtmlgoodies_a' + inputId);
 var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
 height = obj.clientHeight;
 if(height==0)
  {
   height = obj.offsetHeight;
  }
 height = height + direction;
 rerunFunction = true;
 if(height>contentObj.offsetHeight)
  {
   height = contentObj.offsetHeight;
   rerunFunction = false;
  }
 if(height<=1)
  {
   height = 1;
   rerunFunction = false;
  }
 obj.style.height = height + 'px';
 var topPos = height - contentObj.offsetHeight;
 if(topPos>0)
  {
   topPos=0;
  }
 contentObj.style.top = topPos + 'px';
 if(rerunFunction)
  {
   setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
  }
 else
  {
   if(height<=1)
    {
     obj.style.display='none';
     if(objectIdToSlideDown && objectIdToSlideDown!=inputId)
      {
       document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
       document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
       slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);
      }
     else
      {
       dhtmlgoodies_slideInProgress = false;
      }
    }
   else
    {
     dhtmlgoodies_activeId = inputId;
     dhtmlgoodies_slideInProgress = false;
    }
  }
}
function initShowHideDivs()
{
 var divs = document.getElementsByTagName('DIV');
 var divCounter = 1;
 for(var no=0;no<divs.length;no++)
  {
   if(divs[no].className=='dhtmlgoodies_question')
    {
     divs[no].onclick = showHideContent;
     divs[no].id = 'dhtmlgoodies_q'+divCounter;
     var answer = divs[no].nextSibling;
     while(answer && answer.tagName!='DIV')
      {
       answer = answer.nextSibling;
      }
     answer.id = 'dhtmlgoodies_a'+divCounter;
     contentDiv = answer.getElementsByTagName('DIV')[0];
     contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px';
     contentDiv.className='dhtmlgoodies_answer_content';
     contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
     answer.style.display='none';
     answer.style.height='1px';
     divCounter++;
    }
  }
}
window.onload = initShowHideDivs;