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_1.gif";
	img[1]=new Image(),img[1].src="_img/menu_news_1.gif";
	img[2]=new Image(),img[2].src="_img/menu_schedule_1.gif";
	img[3]=new Image(),img[3].src="_img/menu_blog_1.gif";
	img[4]=new Image(),img[4].src="_img/menu_photo_1.gif";
	img[5]=new Image(),img[5].src="_img/menu_bbs_1.gif";
	img[6]=new Image(),img[6].src="_img/menu_disco_1.gif";
	img[7]=new Image(),img[7].src="_img/menu_links_1.gif";
	img[8]=new Image(),img[8].src="_img/menu_mail_1.gif";
	img[9]=new Image(),img[9].src="_img/menu_top_1.gif";
	img[10]=new Image(),img[10].src="_img/menu_news2_1.gif";
	
	var img2=new Array(); 
	img2[0]=new Image(),img2[0].src="_img/menu_profile_2.gif";
	img2[1]=new Image(),img2[1].src="_img/menu_news_2.gif";
	img2[2]=new Image(),img2[2].src="_img/menu_schedule_2.gif";
	img2[3]=new Image(),img2[3].src="_img/menu_blog_2.gif";
	img2[4]=new Image(),img2[4].src="_img/menu_photo_2.gif";
	img2[5]=new Image(),img2[5].src="_img/menu_bbs_2.gif";
	img2[6]=new Image(),img2[6].src="_img/menu_disco_2.gif";
	img2[7]=new Image(),img2[7].src="_img/menu_links_2.gif";
	img2[8]=new Image(),img2[8].src="_img/menu_mail_2.gif";
	img2[9]=new Image(),img2[9].src="_img/menu_top_2.gif";
	img2[10]=new Image(),img2[10].src="_img/menu_news2_2.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 ;
      }
    }