function changeVid(chunk){
 randomnumber=Math.floor(Math.random()*1001);
 url = '/index.php?id=173&src='+chunk+'&rn='+randomnumber;
 new Ajax.Request(url,
 {
 method: "get",
 onSuccess: function(response){
  document.getElementById("video-display").innerHTML=response.responseText;
 }
 }
 );
}

function calNav(chunk, cal, month, year){
 randomnumber=Math.floor(Math.random()*1001);
 url = '/index.php?id=173&src='+chunk+'&c='+cal+'&m='+month+'&y='+year+'&rn='+randomnumber;
 new Ajax.Request(url,
 {
 method: "get",
 onSuccess: function(response){
  document.getElementById("hcal").innerHTML=response.responseText;
 }
 }
 );
}

function move(id,col){
 document.forms['pr'].i.value=id;
 document.forms['pr'].col.value=col;
 document.forms['pr'].submit();
}