/*
 * Toggles the visibility of tabular content.
 */
function toggleTable(el) {
	
	var myelement = document.getElementById(el);
	var nameelement = document.getElementById(el + "-featurename");
	var myimg = document.getElementById(el + "-img");
	
	if (!myelement.style.display || myelement.style.display == "none") {
		myelement.style.display = "inline";
		myimg.src= "../images/minus.gif";
		nameelement.style.fontWeight = "bold";
	} else {
		myelement.style.display = "none";
		myimg.src= "../images/plus.gif";
		nameelement.style.fontWeight = "normal";
	}
}