function open_photo(id) {
				window.open('photo.html?action=detail&id='+id,'photo','width=500, height=540, scrollbars=yes');
			}

	var img=new Array();
	img[0]=new Image(),img[0].src="_img/menu_profile.gif";
	img[1]=new Image(),img[1].src="_img/menu_bbs.gif";
	img[2]=new Image(),img[2].src="_img/menu_schedule.gif";
	img[3]=new Image(),img[3].src="_img/menu_blog.gif";
	img[4]=new Image(),img[4].src="_img/menu_photo.gif";
	img[5]=new Image(),img[5].src="_img/menu_link.gif";


	var img2=new Array(); 
	img2[0]=new Image(),img2[0].src="_img/menu_profile_b.gif";
	img2[1]=new Image(),img2[1].src="_img/menu_bbs_b.gif";
	img2[2]=new Image(),img2[2].src="_img/menu_schedule_b.gif";
	img2[3]=new Image(),img2[3].src="_img/menu_blog_b.gif";
	img2[4]=new Image(),img2[4].src="_img/menu_photo_b.gif";
	img2[5]=new Image(),img2[5].src="_img/menu_link_b.gif";
	function reset_image(b){
      if ( document.images ){
            document.images["img_"+b].src = img[b].src ;
      }
    }
    function change_image(a){
      if ( document.images ){
             document.images["img_"+a].src = img2[a].src ;
      }
    }