// ----------------------------------------------------------------------
// NAME: Browser Check
// DESCRIPTION: Set global variables for browser compliancy
// ----------------------------------------------------------------------
var d, dom, ie, ie4, ie5x, moz, mac, ie5mac, op;

d = document;
n = navigator;
na = n.appVersion;
nua = n.userAgent;
mac = ( na.indexOf('Mac') != -1 );

if ( !d.layers ){
	dom = ( d.getElementById );
	op = ( nua.indexOf('Opera') != -1 );
	saf = ( nua.indexOf('Safari') != -1 );
	moz = ( nua.indexOf('Gecko') != -1 && !saf );

	ie5x = ( d.all && dom );
	ie5mac = ( mac && ie5x );
}

// content information
var siteId, contentId, contentTypeId;
var addCommentPostbackRefresh;
var currentReturnContent = "";
var smallDisplay = "";
var pageNumber = "";

// ----------------------------------------------------------------------
// NAME: Display Toggle
// DESCRIPTION: Toggle visibility on elements
// ----------------------------------------------------------------------
function toggleDiv(id,toggle){
	document.getElementById(id).style.display = (toggle)? "block" : "none";
}

// ----------------------------------------------------------------------
// NAME: Element Position
// DESCRIPTION: Find Element position within page
// ----------------------------------------------------------------------
function findPopupPosition(element) {
	var x,w,y,h,s;
	if (document.getBoxObjectFor) { // mozilla (pc & mac)
		var box = document.getBoxObjectFor(element); 
		x = box.x;
		w = box.width;
		y = box.y;
		h = box.height;
		s = 3; // scrollTop;
		return { x: x, y: (y+s), width: w, height: h }
	/*	
	} else if (element.getBoundingClientRect) { // IE (pc)
		var rect = element.getBoundingClientRect(); 
		x = rect.left; 
		w = rect.right - rect.left;
		y = rect.top;
		h = rect.bottom - rect.top;
		s = document.body.scrollTop;
		return { x: x, y: (y+s), width: w, height: h }
	*/	
	} else { // All Other browsers
		if(element.offsetParent) {
			var posWidth = element.offsetWidth;
			var posHeight = (saf)? element.offsetHeight+5 : element.offsetHeight;
			for(var posX = 0, posY = 0; element.offsetParent; element = element.offsetParent) {
				posX += element.offsetLeft;
				posY += element.offsetTop;
			}
			return { x: posX, y: posY, width: posWidth, height: posHeight };
		} else {
			return { x: element.x, y: element.y, width: element.offsetWidth, height: element.offsetHeight };
		}
	}
}

function getSignInPage(id) {
/* ===== create container element - if unavailable ===== */
	if(!document.getElementById("commentsPopup")){
	    var divContainer = document.createElement("div");
		divContainer.setAttribute("id","commentsPopup");
		document.body.appendChild(divContainer);
	}
	
	var processor = "/SignInCommentsPopup.aspx";
	
    /* ===== position and display form ===== */
	var container = document.getElementById("commentsPopup");
	var oPOS = findPopupPosition(id);
	container.style.position = "absolute";
	container.style.top = (oPOS.y + oPOS.height) + "px";
	container.style.left = (oPOS.x - (300 - oPOS.width)) + "px";
	container.style.display = "block";

	displayPopup("loading","","commentsPopup","");
    makeRequest(processor,null,processSignIn);
}

function processSignIn(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
		    if (frmReq.responseText.indexOf("Welcome") == -1) {
		  	    displayPopup("display",frmReq.responseText,"commentsPopup","Sign In");
		  	    addSubmitRollovers();
		  	} else {
		  	  // successful login
		  	  toggleDiv("commentsPopup",false);
		  	  document.getElementById("userSignIn").innerHTML = frmReq.responseText;
                if (!addCommentPostbackRefresh) {
                    getDynamicComments(siteId,contentId,contentTypeId);
                } else {
                    window.location.href="/ViewAllComments.aspx?SiteId=" + siteId + "&ContentId=" + contentId + "&ContentTypeId=" + contentTypeId;
                }
		  	}
        } else {
            displayPopup("display","There was a problem retrieving the Sign In Page.<br/>Please try again later.","commentsPopup","Alert!");        
        }
	}
}

function postBackSignIn(formName)
{
	var processor = "/SignInCommentsPopup.aspx";
	var formdata = getFormData(formName);

    makeRequest(processor,formdata,processSignIn);
}

function getRegisterPage() {

	var processor = "/RegisterCommentsPopup.aspx";
	
    makeRequest(processor,null,processRegister);
}

function postBackRegistration(formName)
{
	var processor = "/RegisterCommentsPopup.aspx";
	var formdata = getFormData(formName);

    makeRequest(processor,formdata,processRegister);
}

function processRegister(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
		    if (frmReq.responseText.indexOf("Welcome") == -1) {
		  	    displayPopup("display",frmReq.responseText,"commentsPopup","Registration");
		  	    addSubmitRollovers();
		  	} else {
		  	  // successful login
		  	  toggleDiv("commentsPopup",false);
		  	  document.getElementById("userSignIn").innerHTML = frmReq.responseText;
                if (!addCommentPostbackRefresh) {
                    getDynamicComments(siteId,contentId,contentTypeId);
                } else {
                    window.location.href="/ViewAllComments.aspx?SiteId=" + siteId + "&ContentId=" + contentId + "&ContentTypeId=" + contentTypeId;
                }		  	  
		  	}
        } else {
            displayPopup("display","There was a problem retrieving the Registration Page.<br/>Please try again later.","commentsPopup","Alert!");
        }
	}
}

function displayPopup(status,text,element,headerText){
	var copy;
	var popup;
	switch(status){
		case "loading" : copy = "<div class='loading'>Loading...</div>"; break;
		case "display" : copy = text; break;
	}
	popup = "" +
			"<div id='commentsDisplay'>" +
			"	<div class='commentsHeader' style='width:300px;'><div class='commentsClose' onClick=\"toggleDiv('" + element + "',false);return false;\"></div>" + 
			"   <div class='commentsHeaderText'>" + headerText + "</div>" +
			"	</div>" +
			"	<div id='commentsContent' align='center'>" + copy + "</div>" +
			"</div>";

	document.getElementById(element).innerHTML = popup;
	document.getElementById(element).style.display = "block";	
}

function makeRequest(request,formdata,oncomplete) {
    if (!formdata) {
        formdata = "test=0";
    }
    
	if (window.XMLHttpRequest) {
        frmReq = new XMLHttpRequest();
        frmReq.onreadystatechange = oncomplete;
        frmReq.open("POST", request, true);
        frmReq.setRequestHeader('content-type','application/x-www-form-urlencoded');
        frmReq.setRequestHeader('content-length',formdata.length);
        frmReq.send(formdata);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        frmReq = new ActiveXObject("Microsoft.XMLHTTP");
        if (frmReq) {
            frmReq.onreadystatechange = oncomplete;
            frmReq.open("POST", request, true);
            frmReq.setRequestHeader('content-type','application/x-www-form-urlencoded');           
            frmReq.setRequestHeader('content-length',formdata.length);            
        	frmReq.send(formdata);
        }
	}
}

function getFormData(formName) {
	formId=document.getElementById(formName);
	var postStr= '';
	var first = true;
	for (i = 0; i < formId.elements.length; i++) {
		formElem = formId.elements[i];
		switch (formElem.type) {
			case 'text':
			case 'password':
            case 'hidden':
			case 'textarea':
			case 'submit':
			{
			    if (first) {
                    postStr += formElem.name + '=' + urlEncode(formElem.value);
	                first = false;
			    } else {
                    postStr += '&' + formElem.name + '=' + urlEncode(formElem.value);
			    }
			}
		break;
		}
	}
	return postStr;
}

function urlEncode(encodeValue)
{
    encodeValue = escape(encodeValue);
    encodeValue = encodeValue.replace(/\//g,"%2F");
    encodeValue = encodeValue.replace(/\+/g,"%2B");    
    
    return encodeValue;
}

function saveContentInfo(sid,cid,ctid) {
	siteId = sid;
	contentId = cid;
	contentTypeId = ctid;
}

function getDynamicComments(sid, cid, ctid) {

    saveContentInfo(sid,cid,ctid);
	
	var request = "/ViewPartialComments.aspx";
	var formdata = "SiteId=" + sid + "&ContentTypeId=" + ctid + "&ContentId=" + cid + "&SmallDisplay=" + smallDisplay;
		
	if (currentReturnContent != "") {
	    formdata += "&ReturnPath=" + urlEncode(currentReturnContent);
	}
	
	if (pageNumber != "") {
	    formdata += "&page=" + pageNumber;
	}
	
    makeRequest(request,formdata,processPartialComments);	
}

function processPartialComments(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
		    document.getElementById("CommentsSection").innerHTML = frmReq.responseText;
            addRollovers();		    
            // show the jump to link
		    if (document.getElementById("userCommentsJumpTo")) {
		        if (frmReq.responseText.indexOf("User Comments") != -1) {
		            document.getElementById("userCommentsJumpTo").style.display = "block";
		        } else {
		            document.getElementById("userCommentsJumpTo").style.display = "none";
		        }
		    }
        } else {
            //document.getElementById("CommentsSection").innerHTML = frmReq.responseText;
        }
	}
}

function signOutUser() {
    var request = "/SignInCommentsPopup.aspx";
    var formdata = "Process=signout";
    
    makeRequest(request,formdata,processSignOut);
}

function processSignOut() {
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
	        document.getElementById("userSignIn").innerHTML = frmReq.responseText;
   	  	    if (!addCommentPostbackRefresh) {
	  	        getDynamicComments(siteId,contentId,contentTypeId);
	  	    } else {
	  	        refreshLink = "/ViewAllComments.aspx?SiteId=" + siteId + "&ContentId=" + contentId + "&ContentTypeId=" + contentTypeId; 	        
	  	        window.location.href = refreshLink;
	  	    }

        } 
	}
}

function getAddCommentsPage(id) {
/* ===== create container element - if unavailable ===== */
	if(!document.getElementById("commentsPopup")){
	    var divContainer = document.createElement("div");
		divContainer.setAttribute("id","commentsPopup");
		document.body.appendChild(divContainer);
	}
	
	var processor = "/AddCommentsPopup.aspx";
	var formdata = "SiteId=" + siteId + "&ContentTypeId=" + contentTypeId + "&ContentId=" + contentId;
	
    /* ===== position and display form ===== */
	var container = document.getElementById("commentsPopup");
	var oPOS = findPopupPosition(id);
	container.style.position = "absolute";
	container.style.top = (oPOS.y + oPOS.height) + "px";
	container.style.left = (oPOS.x - (300 - oPOS.width)) + "px";
	container.style.display = "block";

	displayPopup("loading","","commentsPopup","");
    makeRequest(processor,formdata,processAddComment);
}

function processAddComment(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
	  	    displayPopup("display",frmReq.responseText,"commentsPopup","Add Comment");
     	    addSubmitRollovers();
        } else {
            displayPopup("display","There was a problem retrieving the Add Comment Page.<br/>Please try again later.","commentsPopup","Alert!");
        }
	}
}

function postBackAddComment(formName)
{
	var processor = "/AddCommentsPopup.aspx";
	var formdata = getFormData(formName);

    makeRequest(processor,formdata,processAddCommentPostback);
}

function processAddCommentPostback(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
	  	    toggleDiv("commentsPopup",false);
	  	    if (!addCommentPostbackRefresh) {
	  	        getDynamicComments(siteId,contentId,contentTypeId);
	  	    } else {
	  	        window.location.href="/ViewAllComments.aspx?SiteId=" + siteId + "&ContentId=" + contentId + "&ContentTypeId=" + contentTypeId;
	  	    }
        } else {
            displayPopup("display","There was a problem saving the comment.<br/>Please try again later.","commentsPopup");
        }
	}
}

function setAddCommentPostbackRefresh(refresh){
    addCommentPostbackRefresh = refresh;
}

function getForgotPasswordPage(id) {
/* ===== create container element - if unavailable ===== */
	if(!document.getElementById("commentsPopup")){
	    var divContainer = document.createElement("div");
		divContainer.setAttribute("id","commentsPopup");
		document.body.appendChild(divContainer);
	}
	
	var processor = "/ForgotPasswordCommentsPopup.aspx";
	
    /* ===== position and display form ===== */
	var container = document.getElementById("commentsPopup");
	var oPOS = findPopupPosition(id);
	container.style.position = "absolute";
	container.style.top = (oPOS.y + oPOS.height) + "px";
	container.style.left = (oPOS.x - (300 - oPOS.width)) + "px";
	container.style.display = "block";

	displayPopup("loading","","commentsPopup","");
    makeRequest(processor,null,processForgotPassword);
}

function processForgotPassword(){
	if (frmReq.readyState == 4) {
		if (frmReq.status == 200) {
	  	    displayPopup("display",frmReq.responseText,"commentsPopup","Forgot Password?");
        } else {
            displayPopup("display","There was a problem retrieving the Forgot Password Page.<br/>Please try again later.","commentsPopup","Alert!");        
        }
	}
}

function postBackForgotPassword(formName)
{
	var processor = "/ForgotPasswordCommentsPopup.aspx";
	var formdata = getFormData(formName);

    makeRequest(processor,formdata,processForgotPassword);
}

function setCurrentReturnContent(returnPath)
{
    currentReturnContent = returnPath;
}

function setSmallDisplay(displayString) 
{
    smallDisplay = displayString; 
}

function setPageNumber(currentPageNumber) 
{
    pageNumber = currentPageNumber;
}