var navUserAgent;
var arrNavUserAgent;
var arrLength;
var navVersion;
var bigVersion;

var dhtmlgoodies_slideSpeed = 15; // Higher value = faster -->abrir
if(Navigateur() == "Explorer")
	var dhtmlgoodies_timer = 10;	 // Lower value = faster -->cerrar
else
	var dhtmlgoodies_timer = 0;	  // Lower value = faster -->cerrar

navUserAgent = navigator.userAgent;
arrNavUserAgent = navUserAgent.split("/");
arrLength = arrNavUserAgent.length;
navVersion = arrNavUserAgent[arrLength-1];
bigVersion = navVersion.substring(0,1);

var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;

function Navigateur(){
	if(navigator.appName.indexOf("Netscape") > -1) return "Netscape";
	if(navigator.appName.indexOf("Explorer") > -1) return "Explorer";
	return "Unknown";
}

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(document.getElementById('dhtmlgoodies_a' + numericId)){
		if(answerDiv && (!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;
		}
	}else{
		dhtmlgoodies_slideInProgress = false;
	}
}

function slideContent(inputId,direction){
	var obj = document.getElementById('dhtmlgoodies_a' + inputId);
	var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
	var temp = 0;
	var height;
	var rerunFunction;
	height = obj.clientHeight;
	if(Navigateur() == "Netscape" && bigVersion==1) height = height - 13;
	else temp = 13;
	if(height == 0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>(contentObj.offsetHeight+temp)){
		height = contentObj.offsetHeight+temp;
		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;
	var contentDiv;
	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;
			}
			if(answer){
				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;