var allSpans = new Array();
allSpans = document.getElementsByTagName("span");

for (var i=0; i<allSpans.length; i++)
{
	var togText = "";
	if (allSpans[i].className == "toggler")
		{
		togText = allSpans[i].innerHTML;
		allSpans[i].innerHTML = "<a style='cursor: pointer' onclick='toggleNum("+i+");'><img id='"+i+"' name='"+i+"' border='0' src='toggler_open.gif'></a>"+togText;
		}
}

function toggleNum(num)
{
	if (allSpans[num+1].style.display == "inline")
		{ 
		allSpans[num+1].style.display = "none";
		document.getElementById(num).src = "toggler_open.gif";
		}
	else if (allSpans[num+1].style.display == "none")
		{ 
		allSpans[num+1].style.display = "inline";
		document.getElementById(num).src = "toggler_close.gif";
		}
}