window.onload=function(){var atags=document.getElementsByTagName('a');for(i=0;i<atags.length;i++)
{if(atags[i].getAttribute('class')=='video_link')
{atags[i].onclick=showVideo;}
if(atags[i].getAttribute('class')=='photo_link')
{atags[i].onclick=showPhoto;}}
function showPhoto()
{var file=this.getAttribute('href');document.getElementById('photo_box').innerHTML='<img src="'+file+'">';return false;}
function showVideo()
{var code_num=this.getAttribute('rel');var new_video=document.getElementById('video_box'+code_num).innerHTML;document.getElementById('video_box').innerHTML=new_video;return false;}};