function initcomments() {
	 	var e = document.getElementById('addcomment');
	 	if (e) {
			e.style.display = "none";
			hideAddTag();
		}
	 }
		
	 function expandComments() {
	 	if(document.getElementById('addcomment').style.display == "none") {
			document.getElementById('addcomment').style.display = "block";
			//placeFocus('addcomment');
			//document.getElementById('commentstate1').innerHTML = "-";
		} else {
			document.getElementById('addcomment').style.display = "none";
			//document.getElementById('commentstate1').innerHTML = "+";
		}
	 }

	 function showAddTag() {
	 	document.getElementById('addtagsline').style.display="none";
		document.getElementById('addtagsform').style.display="block";
		placeFocus('newword');
	 }
	 
	 function hideAddTag() {
	 	var e;
	 	e = document.getElementById('addtagsline');
	 	if (e) { e.style.display = "block"; }
	 	e = document.getElementById('addtagsform');
	 	if (e) { e.style.display = "none"; }
	 }
	 
		function placeFocus() {
		if (document.forms.length > 0) {
		var field = document.forms[0];
		for (i = 0; i < field.length; i++) {
		if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
		document.forms[0].elements[i].focus();
		break;
		         }
		      }
		   }
		}
		
		function change_class(id,class1,class2){
			target = document.getElementById(id);
			if(target.className != class1){
				target.className = class1;
			}
			else{
				target.className = class2;
			}
		}

		function displayPopUp(url) {
				var win = window.open(url, '', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=none,resizable=no,copyhistory=yes,width=400,height=620');
		}


function updateFieldText(f,t,s,d){
  var doc = document.forms[d];
  var ele = doc.elements[f].value;

  if(s == "c"){
    if(ele == t){ doc.elements[f].value = ""; }
  } else if(s == "a"){
    if(ele == ""){ doc.elements[f].value = t; }
  }
}