var browserType;

	if (document.layers) {browserType = "nn4"}
	
	if (document.all) {browserType = "ie"}
	
	if (window.navigator.userAgent.toLowerCase().match("gecko")) {
	 browserType= "gecko"
	}

function fold(item_id) 
{
	if (browserType == "gecko")
	{
		document.poppedLayer = eval('document.getElementById(item_id)');
	}
	else if (browserType == "ie")
	{
		document.poppedLayer = eval('document.getElementById(item_id)');
	}
	else
	{
		document.poppedLayer = eval('document.layers[item_id]');
	}
     
	if(document.poppedLayer.style.display == "none")
	{
		document.poppedLayer.style.display = "inline";
	}
	else
	{
		document.poppedLayer.style.display = "none";
	}
}