// Common JS.  Build 20080623. Alpha-num char only.


// --------------------------------
// Image override
//
//  The define : ioo = {  'IMGID':[ 'MouseoverSrc', 'MouseoutSrc' ], .... }
//
//  Fig) ioo = { 'Btn1':['over.img', 'out.img'] };
//       <img src="out.img" class="iover" id="Btn1" />
//
var ioo = {
	// common top menu
	'sh01':['/common_img/sb01.gif','/common_img/sb01o.gif'],
	'sh02':['/common_img/sb02.gif','/common_img/sb02o.gif'],
	'sh03':['/common_img/sb03.gif','/common_img/sb03o.gif'],
	'sh04':['/common_img/sb04.gif','/common_img/sb04o.gif'],

	// common header menu
	'ch01':['/common_img/hb01.gif','/common_img/hb01o.gif'],
	'ch02':['/common_img/hb02.gif','/common_img/hb02o.gif'],
	'ch03':['/common_img/hb03.gif','/common_img/hb03o.gif'],
	'ch04':['/common_img/hb04.gif','/common_img/hb04o.gif']
};

if(window['Prototype'])
{
	var cImageOverride = Class.create({
		initialize: function(oImg)
		{
			Event.observe(oImg, 'mouseover', function(){ oImg.src = ioo[oImg.id][1]; }, false);
			Event.observe(oImg, 'mouseout', function(){ oImg.src = ioo[oImg.id][0]; }, false);
		}
	});
	Event.observe(window, 'load', function(){
		if(window['ioo'])
		{
			var iOvers = $$('img.iover'); for(var i=0;i<=iOvers.length-1; i++) if(ioo[iOvers[i].id]) new cImageOverride(iOvers[i]);
		}
	}, false);
};