window.onload = find_links;

function find_links(){
	var links = document.getElementsByTagName("a");

	for(var i=0; i<document.links.length; ++i){
		if(links[i].className.indexOf("toggle") >= 0) links[i].onclick = toggle;
	}	
}

function toggle(){
	var start = this.href.lastIndexOf("/")+1;
	var stop = this.href.lastIndexOf(".");
	var target = this.href.substring(start,stop);
	
	var text = document.getElementById(target).style;
	text.display = (text.display == "block")? "none" : "block"; 
	
	return false;
}