function _insertArrowAfter(link, imgURL)
{
	var img = document.createElement("img");
	img.src = imgURL;
	
	var span = document.createElement("span");
	span.className = "link_arrow";
	span.appendChild(img);
	
	link.parentNode.insertBefore(span, link.nextSibling);
}

function _insertArrowBefore(link, imgURL)
{
	var img = document.createElement("img");
	img.src = imgURL;
	
	var span = document.createElement("span");
	span.className = "link_arrow";
	span.appendChild(img);
	
	link.parentNode.insertBefore(span, link);
}

function addLinkArrows()
{
	var links = document.getElementsByTagName("a");

	for(var i = 0 ; i < links.length ; i++)
	{
		if(links[i].className.match(/\s?small_arrow\s?/))
			_insertArrowAfter(links[i], "/img/icons/arrows/small.gif");
		else if(links[i].className.match(/\s?small_left_arrow\s?/))
			_insertArrowBefore(links[i], "/img/icons/arrows/small_left.gif");
		else if(links[i].className.match(/\s?medium_arrow\s?/))
			_insertArrowAfter(links[i], "/img/icons/arrows/medium.gif");
		else if(links[i].className.match(/\s?you_arrow\s?/))
			_insertArrowAfter(links[i], "/img/healthier_lives/you/small_arrow.gif");
	}
}