function changephoto(v) {
	if (document.getElementById) {
		var img=document.getElementById('bigphotoimg').getAttribute('src');
		v=v+"";
		if (v.match(/[0-9]+/)) {
			img=img.replace(/[0-9]\.jpg$/i,v+'.jpg');
			document.getElementById('bigphotoimg').setAttribute('src',img);
			}
		else if (v.match(/[a-e]+/)) {
			var n=img.match(/[0-9]\.jpg$/);
			img=img.replace(/[a-e][0-9]\.jpg$/,v+n);
			var m=(/[a-e][0-9]\.jpg$/,v);
			document.getElementById('bigphotoimg').setAttribute('src',img);
			document.getElementById('thumphotoimg1').setAttribute('src',"content-detail-x-"+m+"1.jpg");
			document.getElementById('thumphotoimg2').setAttribute('src',"content-detail-x-"+m+"2.jpg");
			document.getElementById('thumphotoimg3').setAttribute('src',"content-detail-x-"+m+"3.jpg");
			document.getElementById('thumphotoimg4').setAttribute('src',"content-detail-x-"+m+"4.jpg");
			document.getElementById('thumphotoimg5').setAttribute('src',"content-detail-x-"+m+"5.jpg");
		}
	}
}

function changephoto2(v) {
	if (document.getElementById) {
		var img=document.getElementById('bigextraphotoimg').getAttribute('src');
		v=v+"";
		if (v.match(/[0-9]+/)) {
			img=img.replace(/[0-9]\.jpg$/i,v+'.jpg');
			document.getElementById('bigextraphotoimg').setAttribute('src',img);
			}
	}
}