if (document.getElementById){
	document.write('<style type="text/css">\n')
	document.write('.text {display: none;}\n')
	document.write('</style>\n')
}

function showTextDiv(eid){
	if (document.getElementById){
		var one = document.getElementById(eid);
		var all = document.getElementById("content").getElementsByTagName("div");

		if(one.style.display != "block"){
			for (i=0; i<all.length; i++){
				if (all[i].className=="text")
				all[i].style.display = "none";
			}
			one.style.display = "block";
		}
	}
}

function showFirst(){
	document.write('<style type="text/css">\n')
	document.write('#sub1 {display: block;}\n')
	document.write('</style>\n')
	document.write('<style type="text/css">\n')
	document.write('#subtoc1 {display: block;}\n')
	document.write('</style>\n')
}

if (document.getElementById){
	document.write('<style type="text/css">\n')
	document.write('.subtoc {display: none;}\n')
	document.write('</style>\n')
}

function showList(eid) {
	if (document.getElementById){
		var one = document.getElementById(eid);
		var all = document.getElementById("menu_toc").getElementsByTagName("ul");

		if(one.style.display != "block"){
			for (i=0; i<all.length; i++){
				if (all[i].className=="subtoc")
				all[i].style.display = "none";
			}
			one.style.display = "block";
		}
	}
}