var slideSpeed = 10;
var timer = 10;	
var objectIdToSlideDown = false;
var activeId = false;
var slideInProgress = false;
var doNotExpand = false;

function showHide(e,inputId) // Parameter 'e' wordt gebruikt door firefox.
{
	if (doNotExpand) { // Wanneer op checkbox wordt geklikt, moet het paneel niet in-/uitklappen.
		doNotExpand = false;
		return false;
	}
	if(slideInProgress)return;
	slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var content = document.getElementById('moduleBannerContent_' + numericId);
	objectIdToSlideDown = false;
	if(!content.style.display || content.style.display=='none'){		
		if(activeId &&  activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(activeId,(slideSpeed*-1));
		}else{
			content.style.display='block';
			content.style.visibility = 'visible';
			slideContent(numericId,slideSpeed);
		}
	}else{
		slideContent(numericId,(slideSpeed*-1));
		activeId = false;
	}	
}

function showAccordeon(inputId,noscroll) // Klapt het juiste element open.
{
	if(slideInProgress)return;
	slideInProgress = true;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var content = document.getElementById('moduleBannerContent_' + numericId);
	objectIdToSlideDown = false;
	if(!content.style.display || content.style.display=='none'){ // Laat content zien.
		
		if(activeId &&  activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(activeId,(slideSpeed*-1));
		}else{
			content.style.display='block';
			content.style.visibility = 'visible';
			if(noscroll){
				slideContent(numericId,5000);
			}else{
				slideContent(numericId,slideSpeed);
			}
		}
	}else{ // Doe niets.
		activeId = inputId;
		slideInProgress = false;
	}	
}

function slideContent(inputId,direction)
{
	var obj =document.getElementById('moduleBannerContent_' + inputId);
	var contentObj = document.getElementById('moduleBannerContentDiv_' + 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 + ')',timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('moduleBannerContent_' + objectIdToSlideDown).style.display='block';
				document.getElementById('moduleBannerContent_' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,slideSpeed);				
			}else{
				slideInProgress = false;
			}
		}else{
			activeId = inputId;
			slideInProgress = false;
		}
	}
}

function initAccordeon(qty) {
	for (var i=1;i<=qty;i++) {
		document.getElementById('moduleBannerTitle_'+i).onclick = showHide;
		var contentDiv = document.getElementById('moduleBannerContent_'+i)		
		contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px';
		document.getElementById('moduleBannerContent_'+i).style.display='none';
		document.getElementById('moduleBannerContent_'+i).style.height='1px';
	}

}