//スワップイメージ用スクリプト

function swImg(iName,str){
	document.images[iName].src = str;
}

//イメージのプリロード

function preImg(){
	data = new Array("com_images/home.gif","com_images/home_ov.gif","com_images/course.gif","com_images/course_ov.gif","com_images/op_pr.gif","com_images/op_pr_ov.gif","com_images/link.gif","com_images/link_ov.gif","com_images/access.gif","com_images/access_ov.gif","com_images/coupon.gif","com_images/coupon_ov.gif");
	prImg= new Array();
	for (i=0; i<data.length; i++){
		prImg[i] = new Image();
		prImg[i].src = data[i];
	}
}