// JavaScript Document
function toggleVis(id) {
	var div1 = document.getElementById("top500_companies");
	var div2 = document.getElementById("functions_glossary");
	var div3 = document.getElementById("sample_features");
	var div4 = document.getElementById("vendors_list");
	var div5 = document.getElementById("vendors_sample");
	var div6 = document.getElementById("sample_books");
	var div7 = document.getElementById("books_list");
	
	if(div1 != null) {div1.style.display = 'none';}
	if(div2 != null) {div2.style.display = 'none';}
	if(div3 != null) {div3.style.display = 'none';}
	if(div4 != null) {div4.style.display = 'none';}
	if(div5 != null) {div5.style.display = 'none';}
	if(div6 != null) {div6.style.display = 'none';}
	if(div7 != null) {div7.style.display = 'none';}
	
	var tempID = document.getElementById(id);
	if(tempID.style.display == "block") {var trigger = 'on';}
	else if(tempID.style.display == "none") {var trigger = 'off';}
	
	if(trigger == 'on') {tempID.style.display = "none";}
	if(trigger == 'off') {tempID.style.display = "block";}
}