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.jpg";
	img[1]=new Image(),img[1].src="_img/menu-blog.jpg";
	img[2]=new Image(),img[2].src="_img/menu-bbs.jpg";
	img[3]=new Image(),img[3].src="_img/menu-schedule.jpg";
	img[4]=new Image(),img[4].src="_img/menu-photo.jpg";
	img[5]=new Image(),img[5].src="_img/menu-mail.jpg";
	img[6]=new Image(),img[6].src="_img/menu-links.jpg";
	img[7]=new Image(),img[7].src="_img/contents/menu-profile2-1.jpg";
	img[8]=new Image(),img[8].src="_img/contents/menu-blog2-1.jpg";
	img[9]=new Image(),img[9].src="_img/contents/menu-bbs2-1.jpg";
	img[10]=new Image(),img[10].src="_img/contents/menu-schedule2-1.jpg";
	img[11]=new Image(),img[11].src="_img/contents/menu-photo2-1.jpg";
	img[12]=new Image(),img[12].src="_img/contents/menu-mail2-1.jpg";
	img[13]=new Image(),img[13].src="_img/contents/menu-links2-1.jpg";
	img[14]=new Image(),img[14].src="_img/contents/menu-top2-1.jpg";

	var img2=new Array(); 
	img2[0]=new Image(),img2[0].src="_img/menu-profile-2.jpg";
	img2[1]=new Image(),img2[1].src="_img/menu-blog-2.jpg";
	img2[2]=new Image(),img2[2].src="_img/menu-bbs-2.jpg";
	img2[3]=new Image(),img2[3].src="_img/menu-schedule-2.jpg";
	img2[4]=new Image(),img2[4].src="_img/menu-photo-2.jpg";
	img2[5]=new Image(),img2[5].src="_img/menu-mail-2.jpg";
	img2[6]=new Image(),img2[6].src="_img/menu-links-2.jpg";
	img2[7]=new Image(),img2[7].src="_img/contents/menu-profile2-2.jpg";
	img2[8]=new Image(),img2[8].src="_img/contents/menu-blog2-2.jpg";
	img2[9]=new Image(),img2[9].src="_img/contents/menu-bbs2-2.jpg";
	img2[10]=new Image(),img2[10].src="_img/contents/menu-schedule2-2.jpg";
	img2[11]=new Image(),img2[11].src="_img/contents/menu-photo2-2.jpg";
	img2[12]=new Image(),img2[12].src="_img/contents/menu-mail2-2.jpg";
	img2[13]=new Image(),img2[13].src="_img/contents/menu-links2-2.jpg";
	img2[14]=new Image(),img2[14].src="_img/contents/menu-top2-2.jpg";

	
	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 ;
      }
    }