/* ロールオーバー */





// プリロード

//simplePreload( '../../images/g_menu_bt_calendar_on.gif', '../../g_menu_bt_foundation_on.gif' ); 

function simplePreload()

{ 

  var args = simplePreload.arguments;

  document.imageArray = new Array(args.length);

  for(var i=0; i<args.length; i++)

  {

    document.imageArray[i] = new Image;

    document.imageArray[i].src = args[i];

  }

}





/*

	Standards Compliant Rollover Script

	Author : Daniel Nolan

	http://www.bleedingego.co.uk/webdev.php

*/



var initRollovers = window.onload;

window.onload = function(){

	if (!document.getElementById) return

	

	var aPreLoad = new Array();

	var sTempSrc;

	var aImages = document.getElementsByTagName('img');



	for (var i = 0; i < aImages.length; i++) {

		if (aImages[i].className == 'imgover') {

			var src = aImages[i].getAttribute('src');

			var ftype = src.substring(src.lastIndexOf('.'), src.length);

			var hsrc = src.replace(ftype, '_on'+ftype);



			aImages[i].setAttribute('hsrc', hsrc);

			

			aPreLoad[i] = new Image();

			aPreLoad[i].src = hsrc;

			

			aImages[i].onmouseover = function() {

				sTempSrc = this.getAttribute('src');

				this.setAttribute('src', this.getAttribute('hsrc'));

			}

			

			aImages[i].onmouseout = function() {

				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);

				this.setAttribute('src', sTempSrc);

			}

		}

	}

	if(initRollovers)

	initRollovers();

}