function kch(imgname, imgof) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		if( imgof == 0 ){
			imgnum.src = "img/img_"+imgname+"0.jpg";
		}else if( imgof == 1 ){
			imgnum.src = "img/img_"+imgname+"1.jpg";
		}else if( imgof == 2 ){
			imgnum.src = "img/img_"+imgname+"2.jpg";
		}else if( imgof == 3 ){
			imgnum.src = "img/img_"+imgname+"3.jpg";
		}else if( imgof == 4 ){
			imgnum.src = "img/img_"+imgname+"4.jpg";
		}else if( imgof == 5 ){
			imgnum.src = "img/img_"+imgname+"5.jpg";
		}
		document.images[imgname].src = imgnum.src;
	}
}


function dschg(imgof) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		if( imgof == 1 || imgof == 2 ){
			imgnum.src = "img/ds/img_a_" + imgof + ".jpg";
			document.images["img_a"].src = imgnum.src;
		}else if( imgof == 3 || imgof == 4 ){
			imgnum.src = "img/ds/img_b_" + imgof + ".jpg";
			document.images["img_b"].src = imgnum.src;
		}else if( imgof == 5 || imgof == 6 ){
			imgnum.src = "img/ds/img_c_" + imgof + ".jpg";
			document.images["img_c"].src = imgnum.src;
		}else if( imgof == 7 || imgof == 8 || imgof == 9 ){
			imgnum.src = "img/ds/img_d_" + imgof + ".jpg";
			document.images["img_d"].src = imgnum.src;
		}
		cls1 = document.getElementById("img_e0").className; /* 現状のcls1を取得 */
		cls2 = document.getElementById("img_e"+imgof).className; /* 現状のcls2を取得 */
		onid = cls1.indexOf("_on", 0);
		cls1 = cls1.substr(0, onid);
		cls2 = cls2+"_on";
		document.getElementById("img_e0").className = cls1; /* 新しいcls1を代入 */
		document.getElementById("img_e"+imgof).className = cls2; /* 新しいcls2を代入 */
	}
}

function dsreset(imgof) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		if( imgof == 1 || imgof == 2 ){
			imgnum.src = "img/ds/img_a_0.jpg";
			document.images["img_a"].src = imgnum.src;
		}else if( imgof == 3 || imgof == 4 ){
			imgnum.src = "img/ds/img_b_0.jpg";
			document.images["img_b"].src = imgnum.src;
		}else if( imgof == 5 || imgof == 6 ){
			imgnum.src = "img/ds/img_c_0.jpg";
			document.images["img_c"].src = imgnum.src;
		}else if( imgof == 7 || imgof == 8 || imgof == 9 ){
			imgnum.src = "img/ds/img_d_0.jpg";
			document.images["img_d"].src = imgnum.src;
		}
		cls1 = document.getElementById("img_e0").className; /* 現状のcls1を取得 */
		cls2 = document.getElementById("img_e"+imgof).className; /* 現状のcls2を取得 */
		cls1 = cls1+"_on";
		onid = cls2.indexOf("_on", 0);
		cls2 = cls2.substr(0, onid);
		document.getElementById("img_e0").className = cls1; /* 新しいcls1を代入 */
		document.getElementById("img_e"+imgof).className = cls2; /* 新しいcls2を代入 */
	}
}

function btnchng(imgname) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		imgpath = document.images[imgname].src;

		if( imgpath.indexOf("_on.gif") >= 0 ){
			imgpath = imgpath.replace("_on.gif", ".gif");
		}else if( imgpath.indexOf("_on.jpg") >= 0 ){
			imgpath = imgpath.replace("_on.jpg", ".jpg");
		}else if( imgpath.indexOf(".gif") >= 0 ){
			imgpath = imgpath.replace(".gif", "_on.gif");
		}else{
			imgpath = imgpath.replace(".jpg", "_on.jpg");
		}

		imgnum.src = imgpath;
		document.images[imgname].src = imgnum.src;
	}
}


(function($) {

	$(function() {
		$.js.Rollover();
	});

	//---------------------------------------------------------------------

	$.js = {
		
		//ロールオーバー
		Rollover: function(){
			 var preLoad = new Object();
			 $('.rollover img,img.rollover,input.rollover').not("[src*='_on.']").each(function(){
				  var imgSrc = this.src;
				  var fType = imgSrc.substring(imgSrc.lastIndexOf('.'));
				  var imgName = imgSrc.substr(0, imgSrc.lastIndexOf('.'));
				  var imgOver = imgName + '_on' + fType;
				  preLoad[this.src] = new Image();
				  preLoad[this.src].src = imgOver;
				  $(this).hover(
						function (){ this.src = imgOver; },
						function (){ this.src = imgSrc; }
				  );
			 });
		}
	};
})(jQuery);