/* advice js */

function toggleAnswer(element, id){
  	var div = $(id);
	var myEffect = new Fx.Style(div , 'height', {duration: 500, transition: Fx.Transitions.cubicOut, onComplete: function(){ //alert('finished');
	}});
	var answerheight = 20;
	var autoheight = div.scrollHeight;
	if(div.offsetHeight == answerheight){
		myEffect.start(answerheight, autoheight);
		element.innerHTML = '<img src="' + site_root + 'assets/images/skin/btn-hide-answer.gif" alt="Hide Answer" />';	
	}else{
		myEffect.start(autoheight, answerheight);
		element.innerHTML = '<img src="' + site_root + 'assets/images/skin/btn-view-answer.gif" alt="View Answer" />';	
	}
}