<!--
/*======================================================
 * Title	: JavaScript Library
 * Name		: jslib.js
 * Description	: JavaScript Library
 * Version	: 1.0
 * Since	: 2007-06-06
 * Modified	: 2007-06-06
 * Editor	: ---
======================================================*/

/* -----------------------------------------------------
 * 0. Setting OnloadFunctions
 * -------------------------------------------------- */
/*
* <body onload="...">で実行したい関数を指定してください。
* ここで指定した関数は「jslib.js」を読み込む全てのページで実行されます。
*/

// window.onload = function(){initImgMenu('imgmenu', 5);}

/* -----------------------------------------------------
 * ImageMap Rollover
 * -------------------------------------------------- */
var MaxImgMenu;

function initImgMenu(idImgMenu, numImgMenu) {

	if (! document.getElementsByTagName ) return;
	imgMenu = new Array(numImgMenu+1)
	imgMenuO = new Array(numImgMenu+1)

	for (var i = 1; i < numImgMenu+1; i++) {
		imgMenu[i - 1] = new Image();
		imgMenu[i - 1].src=document.getElementById(idImgMenu+i).src;
		var extens = imgMenu[i - 1].src.substring(imgMenu[i - 1].src.lastIndexOf('.'), imgMenu[i - 1].src.length);
		imgMenuO[i - 1] = new Image();
		imgMenuO[i - 1].src = imgMenu[i - 1].src.replace(extens, '_o'+extens);
	}
	MaxImgMenu = numImgMenu;
	showImgMenu('imgmenu', 1);
}

function showImgMenu(idImgMenu, indexImgMenu) {

	if (! document.getElementsByTagName ) return;
	for (var i = 1; i < MaxImgMenu+1; i++) {
		if(indexImgMenu == i) {
			document.getElementById(idImgMenu+i).src = imgMenuO[i - 1].src;
		} else {
			document.getElementById(idImgMenu+i).src = imgMenu[i - 1].src;
		}
	}

	switch(indexImgMenu){
        case 1:
			document.getElementById("B1").style.display = "block";
			document.getElementById("B2").style.display = "none";
			document.getElementById("B3").style.display = "none";
			document.getElementById("B4").style.display = "none";
			document.getElementById("B5").style.display = "none";
			break;
        case 2:
			document.getElementById("B1").style.display = "none";
			document.getElementById("B2").style.display = "block";
			document.getElementById("B3").style.display = "none";
			document.getElementById("B4").style.display = "none";
			document.getElementById("B5").style.display = "none";
			break;
        case 3:
			document.getElementById("B1").style.display = "none";
			document.getElementById("B2").style.display = "none";
			document.getElementById("B3").style.display = "block";
			document.getElementById("B4").style.display = "none";
			document.getElementById("B5").style.display = "none";
			break;
        case 4:
			document.getElementById("B1").style.display = "none";
			document.getElementById("B2").style.display = "none";
			document.getElementById("B3").style.display = "none";
			document.getElementById("B4").style.display = "block";
			document.getElementById("B5").style.display = "none";
			break;
        case 5:
			document.getElementById("B1").style.display = "none";
			document.getElementById("B2").style.display = "none";
			document.getElementById("B3").style.display = "none";
			document.getElementById("B4").style.display = "none";
			document.getElementById("B5").style.display = "block";
			break;
        default:
    }

}

// -->
