function display_qa(num,flg){

	if(num==undefined){

		num = ""; /* dummy */

	}

	switch(num) {

		case "tab_qa_01":
			document.getElementById("qa_01").style.display = "block";
			document.getElementById("qa_02").style.display = "none";
			document.getElementById("qa_03").style.display = "none";
			document.getElementById("tab_qa_01").src="/moriguchi/qa/images/tab_qa01_on.gif";
			document.getElementById("tab_qa_02").src="/moriguchi/qa/images/tab_qa02_off.gif";
			document.getElementById("tab_qa_03").src="/moriguchi/qa/images/tab_qa03_off.gif";

			break;

		case "tab_qa_02":
			document.getElementById("qa_01").style.display = "none";
			document.getElementById("qa_02").style.display = "block";
			document.getElementById("qa_03").style.display = "none";
			document.getElementById("tab_qa_01").src="/moriguchi/qa/images/tab_qa01_off.gif";
			document.getElementById("tab_qa_02").src="/moriguchi/qa/images/tab_qa02_on.gif";
			document.getElementById("tab_qa_03").src="/moriguchi/qa/images/tab_qa03_off.gif";

			break;

		case "tab_qa_03":
			document.getElementById("qa_01").style.display = "none";
			document.getElementById("qa_02").style.display = "none";
			document.getElementById("qa_03").style.display = "block";
			document.getElementById("tab_qa_01").src="/moriguchi/qa/images/tab_qa01_off.gif";
			document.getElementById("tab_qa_02").src="/moriguchi/qa/images/tab_qa02_off.gif";
			document.getElementById("tab_qa_03").src="/moriguchi/qa/images/tab_qa03_on.gif";

			break;



		default:

			break;

	}



	if(flg!=undefined){

		location.hash=flg;

	}

	return;

}




function tab_onclick(){

	var hash = window.location.hash;

	hash = hash.split("?");

	hash = hash[0].split("#");

	display_qa(hash[1]);

}