function swapImage(imgid,imgtoswap)
{
	document.getElementById(imgid).src = 'images/' + imgtoswap;
}

function showChildren(element)
{
	element = document.getElementById(element);
	nextElement = element.nextSibling;
	
	if(nextElement.className=="sidelinksub")
	{
		if(nextElement.style.display=='block'){
			nextElement.style.display='none';
			element.className='sidelinkarrow';}
		else{
			nextElement.style.display='block';
			element.className='sidelinkarrowdown';}
			
		nextElement = nextElement.nextSibling;	
		
		while(nextElement.className=="sidelinksub")
		{
			if(nextElement.style.display=='block'){
				nextElement.style.display='none';}
			else{
				nextElement.style.display='block';}
			
			nextElement = nextElement.nextSibling;
		}
	}
}