/*画像ランダム表示用*/

var iValue, rNumber;
var img1 = new Image();
var img2 = new Image();
img1 = "img/top/img_main.jpg";
img2 = "img/top/img_main_03.jpg";
function display_image(){
	iValue = Math.random() * 2;
	rNumber = Math.ceil(iValue);
	if(rNumber==0) rNumber++;
	document.image1.src=eval("img" + rNumber);
}