mainImg = new Array();
	mainImg[0]="images/top_img01.jpg";
	mainImg[1]="images/top_img02.jpg";
	mainImg[2]="images/top_img03.jpg";
	mainImg[3]="images/top_img04.jpg";
	mainImg[4]="images/top_img05.jpg";
	mainImg[5]="images/top_img06.jpg";
	mainImg[6]="images/top_img07.jpg";