function chgPic(last,page,max)
{
	pic=document.getElementById('m_pic_view');
	img=pic.src.substring(32);
	img=parseInt(img)+2;
	
	if (img<=last)
		pic.src='/content/pics/'+img+'.jpg';
	else
	{
		if (page<max)
			document.location.href='?page='+page;
	}
}