var image = new Array();
	for( i = 0 ; i < 21 ; i++ ){
		image[i] = new Image();
	}
	image[1].src= "img/zeal_top_001.jpg";	
	image[2].src= "img/zeal_top_002.jpg";
	image[3].src= "img/zeal_top_003.jpg";
	image[4].src= "img/zeal_top_004.jpg";
	image[5].src= "img/zeal_top_005.jpg";
	image[6].src= "img/zeal_top_006.jpg";
	image[7].src= "img/zeal_top_007.jpg";
	image[8].src= "img/zeal_top_008.jpg";
	image[9].src= "img/zeal_top_009.jpg";
	image[10].src= "img/zeal_top_010.jpg";


function chgImage(cruise_img,n){
        document.images[cruise_img].src=image[n].src;
}