if(navigator.appVersion.charAt(0)>=3){
			img=new Array()
			img[0] = new Image();img[0].src='img/botan01.gif';
			img[1] = new Image();img[1].src='img/botan01_2.gif';
			img[2] = new Image();img[2].src='img/botan02.gif';
			img[3] = new Image();img[3].src='img/botan02_2.gif';
			img[4] = new Image();img[4].src='img/botan03.gif';
			img[5] = new Image();img[5].src='img/botan03_2.gif';
			img[6] = new Image();img[6].src='img/botan04.gif';
			img[7] = new Image();img[7].src='img/botan04_2.gif';
			img[8] = new Image();img[8].src='img/botan05.gif';
			img[9] = new Image();img[9].src='img/botan05_2.gif';
			img[10] = new Image();img[10].src='img/botan006.gif';
			img[11] = new Image();img[11].src='img/botan006_2.gif';
			img[12] = new Image();img[12].src='img/botan09.gif';
			img[13] = new Image();img[13].src='img/botan09_2.gif';
			img[14] = new Image();img[14].src='img/botan10.gif';
			img[15] = new Image();img[15].src='img/botan10_2.gif';
	}

		function changImg(target,imgNum){
			if(navigator.appVersion.charAt(0)>=3){
				document.images[target].src=img[imgNum].src;
			}
		}