function openWindow(windowURL,windowName,windowWidth,windowHeight) {
window.name = 'parentWnd';
newWindow = window.open(windowURL,windowName,'width='+windowWidth+',height='+windowHeight+',toolbar=0,location=0,directories=0, status=0,menuBar=0,scrollBars=1,resizable=1');
newWindow.focus();
}

function clrMsg() {

	document.chatform.chatmessage.value = '';
	
}

function clrUsername(){
	var field = document.minilogin.username;
	if(field.value == 'Username'){
		field.value = '';
	}
}

function clrPassword(){
	document.minilogin.password.value = '';
}

function deletePost(){
	var answer=confirm("WARNING: Are you sure you wish to delete this post?");
	if(!answer)
		return false;
	else
		return true;
}

var xmlHttp;
var xmlHttpComm;

function GetXmlHttpObject(){ 
	var objXMLHttp=null;
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest();
	}else if (window.ActiveXObject){ 
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	} 
	return objXMLHttp;
}

function getComments(ID,t){
	var session=Math.random();
	commentsBlock = document.getElementById('comments#' + ID);
	viewCommentsText = document.getElementById('viewComments#' + ID);
	xmlHttpComm = GetXmlHttpObject();
	if (xmlHttpComm==null){ 
		alert ("Browser does not support HTTP Request"); 
		return; 
	}
	
	var url="getcomments.php?type=" + t + "&id=" + ID + "&s=" + session;
	xmlHttpComm.open("GET",url,true) ;
	xmlHttpComm.onreadystatechange = function () { 
		if (xmlHttpComm.readyState == 4) { 
			if (xmlHttpComm.status == 200) { 
				commentsBlock.innerHTML = xmlHttpComm.responseText; 
			} 
		} 
	};
	xmlHttpComm.send(null);
}


function showCommentForm(ID,t){
	var formField = document.getElementById('commentForm#' + ID);
	var postText = document.getElementById('postComment#' + ID);
	if(postText.innerHTML == "Post Comment"){
		var form = "<div class=\"commentForm\"><form name=\"commentForm#OBJECTID\" method=\"post\" action=\"submit.php?type=TYPE\"><input type=\"hidden\" name=\"objectID\" value=\"OBJECTID\" /><textarea name=\"comment\" rows=\"6\" class=\"commentField\"></textarea><br /><span class=\"commentSubmit\" style=\"float: right;\"><input type=\"submit\" name=\"sendcomment\" value=\"Submit\"></span></form></div><br /><br />";
		form = form.replace(/OBJECTID/g,ID);
		form = form.replace(/TYPE/g,t);
		formField.innerHTML = form;
		postText.innerHTML = "Cancel";
	}
	else{
		formField.innerHTML = "";
		postText.innerHTML = "Post Comment";
	}
}