function readMore(elem, color){
	var block = elem.parentNode.childNodes[1];
	if(block.style.display=="none"){
		block.style.display="block";
		elem.parentNode.childNodes[0].innerHTML = "<img src='/images/read-more-icon-"+color+".jpg' width='20' height='15' border='0' alt='Minimise' /><span style='vertical-align:top;'>Minimise</span>";
	} else {
		block.style.display="none";
		elem.parentNode.childNodes[0].innerHTML = "<img src='/images/read-more-icon-"+color+".jpg' width='20' height='15' border='0' alt='Read more' /><span style='vertical-align:top;'>Read more</span>";	
	}
}
//
function imageSwap(imageID, state){
	document.getElementById(imageID).src='/images/'+imageID+'-'+state+'.jpg';
}

function arrowSwap(imageID, state){
	if(state=="over"){
		document.getElementById(imageID).src='/images/grey-link-arrow.jpg';
	}
	if(state=="off"){
		document.getElementById(imageID).src='/images/green-link-arrow.jpg';
	}
}