/* 背景ランダム画像 */
bgImg= new Array();
bgImg[0]="images/topImage/01.jpg";
bgImg[1]="images/topImage/02.jpg";
bgImg[2]="images/topImage/03.jpg";
bgImg[3]="images/topImage/04.jpg";


function bgImgRND(){
	if (document.getElementById){
		n=Math.floor(Math.random()*bgImg.length);
		document.getElementById("randam1").style.backgroundImage="url("+bgImg[n]+")";
	}
}