// JavaScript Document
function chCursor(bk_title){
	document.getElementById(bk_title).style.cursor = "pointer";
	document.getElementById(bk_title).style.color = "#006600";
	document.getElementById(bk_title).style.textDecoration = "underline";
}

function chColor(bk_title){
	document.getElementById(bk_title).style.color = "#006600";
	document.getElementById(bk_title).style.textDecoration = "none";
}

function showHide(id_name){
	if(document.getElementById(id_name).style.display == "block"){
		document.getElementById(id_name).style.display = "none";
	}else{
		document.getElementById(id_name).style.display = "block";
	}
}