/* navi.js */

function initRollovers() {

/* 2010.09.10追記　イメージのプリロード */

	var preloadimages = new Array(45);
	preloadimages[0] = new Image();
	preloadimages[1] = new Image();
	preloadimages[2] = new Image();
	preloadimages[3] = new Image();
	preloadimages[4] = new Image();
	preloadimages[5] = new Image();
	preloadimages[6] = new Image();
	preloadimages[7] = new Image();
	preloadimages[8] = new Image();
	preloadimages[9] = new Image();
	preloadimages[10] = new Image();
	preloadimages[11] = new Image();
	preloadimages[12] = new Image();
	preloadimages[13] = new Image();
	preloadimages[14] = new Image();
	preloadimages[15] = new Image();
	preloadimages[16] = new Image();
	preloadimages[17] = new Image();
	preloadimages[18] = new Image();
	preloadimages[19] = new Image();
	preloadimages[20] = new Image();
	preloadimages[21] = new Image();
	preloadimages[22] = new Image();
	preloadimages[23] = new Image();
	preloadimages[24] = new Image();
	preloadimages[25] = new Image();
	preloadimages[26] = new Image();
	preloadimages[27] = new Image();
	preloadimages[28] = new Image();
	preloadimages[29] = new Image();
	preloadimages[30] = new Image();
	preloadimages[31] = new Image();
	preloadimages[32] = new Image();
	preloadimages[33] = new Image();
	preloadimages[34] = new Image();
	preloadimages[35] = new Image();
	preloadimages[36] = new Image();
	preloadimages[37] = new Image();
	preloadimages[38] = new Image();
	preloadimages[39] = new Image();
	preloadimages[40] = new Image();
	preloadimages[41] = new Image();
	preloadimages[42] = new Image();
	preloadimages[43] = new Image();
	preloadimages[44] = new Image();
	preloadimages[45] = new Image();

	preloadimages[0].src = "/images/global_01_on.gif";
	preloadimages[1].src = "/images/01_drop_01_on.gif";
	preloadimages[2].src = "/images/01_drop_02_on.gif";
	preloadimages[3].src = "/images/01_drop_03_on.gif";
	preloadimages[4].src = "/images/01_drop_04_on.gif";
	preloadimages[5].src = "/images/global_02_on.gif";
	preloadimages[6].src = "/images/global_03_on.gif";
	preloadimages[7].src = "/images/03_drop_01_on.gif";
	preloadimages[8].src = "/images/03_drop_02_on.gif";
	preloadimages[9].src = "/images/03_drop_03_on.gif";
	preloadimages[10].src = "/images/03_drop_04_on.gif";
	preloadimages[11].src = "/images/global_04_on.gif";
	preloadimages[12].src = "/images/04_drop_01_on.gif";
	preloadimages[13].src = "/images/04_drop_02_on.gif";
	preloadimages[14].src = "/images/04_drop_03_on.gif";
	preloadimages[15].src = "/images/global_05_on.gif";
	preloadimages[16].src = "/images/05_drop_01_on.gif";
	preloadimages[17].src = "/images/05_drop_02_on.gif";
	preloadimages[18].src = "/images/05_drop_03_on.gif";
	preloadimages[19].src = "/images/05_drop_04_on.gif";
	preloadimages[20].src = "/images/05_drop_05_on.gif";
	preloadimages[21].src = "/images/05_drop_06_on.gif";
	preloadimages[22].src = "/images/05_drop_07_on.gif";
	preloadimages[23].src = "/images/global_06_on.gif";
	preloadimages[24].src = "/images/global_07_on.gif";
	preloadimages[25].src = "/products/images/01_left_01_on.gif";
	preloadimages[26].src = "/products/images/01_left_02_on.gif";
	preloadimages[27].src = "/products/images/01_left_03_on.gif";
	preloadimages[28].src = "/products/images/01_left_04_on.gif";
	preloadimages[29].src = "/motto_myojo/images/03_left_01_on.gif";
	preloadimages[30].src = "/motto_myojo/images/03_left_02_on.gif";
	preloadimages[31].src = "/motto_myojo/images/03_left_03_on.gif";
	preloadimages[32].src = "/motto_myojo/images/03_left_04_on.gif";
	preloadimages[33].src = "/recipe/images/04_left_01_on.gif";
	preloadimages[34].src = "/recipe/images/04_left_02_on.gif";
	preloadimages[35].src = "/recipe/images/04_left_03_on.gif";
	preloadimages[36].src = "/company/images/05_left_01_on.gif";
	preloadimages[37].src = "/company/images/05_left_02_on.gif";
	preloadimages[38].src = "/company/images/05_left_03_on.gif";
	preloadimages[39].src = "/company/images/05_left_04_on.gif";
	preloadimages[40].src = "/company/images/05_left_05_on.gif";
	preloadimages[41].src = "/company/images/05_left_06_on.gif";
	preloadimages[42].src = "/company/images/05_left_07_on.gif";
	preloadimages[43].src = "/images/04_drop_04_on.gif";
	preloadimages[44].src = "/recipe/images/04_left_04_on.gif";
	preloadimages[45].src = "/company/images/05_left_08_on.gif";



	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);
			}
		}
	}
}