// JavaScript Document

function showHideAnswer(id){
	if (document.getElementById(id).style.display == "none"){
		document.getElementById(id).style.display = 'block';
	} else {
		document.getElementById(id).style.display = 'none';			
	}	
	imgTag = document.getElementById("img"+id);
	if(imgTag.src.indexOf("leftarrow.gif")>-1){
		imgTag.src="img/downarrow.gif";
	}else{
		imgTag.src="img/leftarrow.gif";
	}
}