num_rows = 0;
function expand(scroll,button,rows,user,reply){
  if (user==1) {
    $(reply).setAttribute("class", ".delete");
  }  
  $(button).innerHTML = 'Contract';
  scrolled = document.getElementById(scroll);
  scrolled.style.height = '0px';
  num_rows = rows;
  setInterval ("moveDown(num_rows)", "50");
}

function moveDown(rows) {
  height = parseInt(scrolled.style.height);  
  top    = (rows*23);
  if (top > height){
    scrolled.style.height = height+16+'px';
  } else {
    return
  }
}


var oldId='';
function replyTo( entryId, parentId, idName ) {
  if (oldId != ''){
    $(oldId).innerHTML = '';
  }  
  $(idName).innerHTML = 'Loading...';
  oldId = idName
  new Ajax.Updater( idName, 
					'/ajax_comment_reply.php', 
					{ parameters: { eid: entryId, pid: parentId } } );

	return false;
}


function logOn() {
	if( $("log_on").style.display == "block" ) {
  		$("log_on").style.display = "none";
	} else {
  		$("log_on").style.display = "block";
	}
}

function changeCss(theClass,element,value) {
  var arr = [];
  var rc = ('div' + theClass).toString();
  arr = $$(rc);
  arr[0].style[element] = value;
}