var currentChannel;
 var channels;

 function loadChannels(){
 currentChannel=0;
 channels=new Array();
 for(i=0;i<= 9;i++){
 vid=document.getElementById("video_"+i);
 if(vid){
 channels[i]=vid.innerHTML;
 if(i!=currentChannel){
 vid.innerHTML="";
 }
 }
 }


 }

 function changeChannel(id){
 if((newChannel=document.getElementById("video_"+id))){
 if(id!=currentChannel){
 prevChanel=document.getElementById("video_" + currentChannel);
 prevChanel.innerHTML="";

 newChannel.className="visible_video";

 channelLink=document.getElementById("video_channel"+currentChannel);
 channelLink.className="not_active";

 currentChannel=id;
 newChannel.innerHTML=channels[currentChannel];

 channelLink=document.getElementById("video_channel"+currentChannel);
 channelLink.className="active";
 }
 }
 }