var dhtmlgoodies_slideSpeed = 100;	// Higher value = faster
var dhtmlgoodies_timer = 2;	// Lower value = faster

var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;
var loadPanel = 0;

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++;
			}		
		}	
		
		if(loadPanel > 0) showHideContent(document.getElementById('dhtmlgoodies_q' + loadPanel),loadPanel);
}

window.onload = initShowHideDivs;