//training.js

function showans004(btn,ans){
	var	showans_showStr = "表示";
	var	showans_hideStr = "隠す";
	frmName = btn.form.name;
	btnName = btn.name;
	divID = frmName + "_q" + btnName.substring(1,10);
	if(document.forms[frmName].elements[btnName].value == showans_showStr) show = true; else show = false;
	ansStr = show ? ans : " ";
	showStr = show ? showans_hideStr : showans_showStr;
	
	document.forms[frmName].elements[btnName].value = showStr;
	document.getElementById(divID).innerHTML  = ansStr;
}