var numUploads = 1;
var maxUploads = 4;


function VerifyTOS() {
    if(!document.getElementById("plckTermsOfPhotoService").checked) {
        alert("Please agree to the terms of service before submitting.");
        return false;
    }
    return true;
}

// use to generate more photo submission divs
function AddAnotherPhoto(parentDivID,uploadButtonID, parentFrame){
    divNode = document.createElement('div');
    divNode.id = 'PhotoUpload' + ++numUploads;
    divNode.innerHTML = "<input type='file' name='image" + numUploads + "' value='Get' size=40/><br/><br/>"

    document.getElementById(parentDivID).appendChild(divNode);
    if(numUploads > maxUploads) document.getElementById(uploadButtonID).style.display = 'none';
    setTimeout(function(){autofitIframe(parentFrame, true);}, 100);
    return false;
}


// Returns the value of the radio button that is set in a group of buttons.
function getCheckedValue(radioObj) {
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		if(radioObj.checked) {
			return radioObj.value;
		}
		else {
			return "";
		}
	}
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

// this trim was suggested by Tobias Hinnerup
String.prototype.trim = function() {
    return(this.replace(/^\s+/,'').replace(/\s+$/,''));
}

function IsEnter(e)  {
var kc = e.which;
if(kc == null) kc = e.keyCode;
if (e && kc == 13) return true;
return false;
}
function TrimEnd(ct, c) {
    while((ct.length > 0) && (ct.lastIndexOf(c) == (ct.length - 1))){
        if(ct.length > 1 ) {
            ct = ct.substring(0, ct.length - 1);
        }else{ 
            return "";
        }
    }
    return ct;
}
function FixSearchString(str) {
    var ct = str.replace(/[\%\&\*\/\:\<\>\?\\\|\"]+/g,"");
    ct = ct.replace(/[\.]{2,}/g, ".");
        
    ct = TrimEnd(ct,".");
    if( ct == "" ) return "";
    ct = TrimEnd(ct," ");
    if( ct == "") return "";

    return escape(ct);

}

var nextGroupID = 1;

function autofitIframe(id, heightOnly){
    if(document.getElementById) {
        if(this.document.body.scrollHeight == 0 || ( !heightOnly && this.document.body.scrollWidth == 0)) {
            //Onload fired, DOM assembled, but scrollHeight/Width is zero. This should not be... Go to
            //sleep and try again
            setTimeout(function(){autofitIframe(id, heightOnly);}, 150);
            return;
        }
        window.parent.document.getElementById(id).style.height=this.document.body.scrollHeight+"px";
        if(!heightOnly)window.parent.document.getElementById(id).style.width=this.document.body.scrollWidth+"px";
    }
}
        
function MyNewsUpdateParentFrame() {
 setTimeout(function(){autofitIframe('mynewsiframe');}, 100);
}

//Initilizes the drag and drop functionality for MyNews.
function MyNewsRefresh() {
    Sortable.create('myNews',{tag:'div',handle:'windowBar',onUpdate:function(){ MyNewsOnUpdate() }});
}

//Deletes a MyNewsGroup from the screen and updates the users profile on the server.
function MyNewsDeleteGroup(groupId){
    if (confirm("Are you sure you want to delete this group?") == true) {
        $('myNews').removeChild($(groupId));
        Sortable.destroy('myNews');
        MyNewsRefresh();
        gSiteLife.MyNewsUpdateOrder(Sortable.sequence('myNews'));
    }
}

//Updates the profile on the server when the group order is changed.
function MyNewsOnUpdate(obj) {
    gSiteLife.MyNewsUpdateOrder(Sortable.sequence('myNews'));
}

//Creates a new MyNewsGroup
function MyNewsCreateGroup() {

    if(GroupCount() >= $("maxGroups").value) {
        alert("MyNews supports a maximum of " + $("maxGroups").value + " groups.");
        return false;
    }
    var groupId = "group_NewGroup" + nextGroupID;
    
    //Clone template and set ID
    var oDiv = document.createElement("div"); 
    oDiv.className = "MyNews_Block"; 
    oDiv.id = groupId;
    
    //Replace ID's in template with new ID.
    var template = $('template').innerHTML;
    //oDiv.innerHTML =  template.replace(/group_MyGroup Title/g, groupId);
    oDiv.innerHTML =  template.replace(/MyGroup Title/g, "NewGroup" + nextGroupID);
    //Add new div to myNews container
    if($('myNews').childNodes.length == 0) {
        $('myNews').appendChild(oDiv);
    }
    else {
        $('myNews').insertBefore(oDiv, $('myNews').childNodes[0]); 
    }
    
    //Shutdown and restart sortable
    Sortable.destroy('myNews');
    MyNewsRefresh();
    MyNewsOnUpdate(null);
    MyNewsEditGroupOnClick(groupId)
    //Display no feeds defined
    $(groupId + "_NoFeeds").style.display = "block";
    nextGroupID++;
    MyNewsUpdateParentFrame();
}

//Changes the visibility of the edit panel in response to a edit click
function MyNewsEditGroupOnClick(groupId) {
    $(groupId + "_view").style.visibility = "hidden";
    $(groupId + "_view").style.display = "none";
    $(groupId + "_edit").style.visibility = "visible";
    $(groupId + "_edit").style.display = "block";
     MyNewsUpdateParentFrame();
}

//Saves a MyNewsGroup profile to the server.
function MyNewsSaveGroupOnClick(groupId) {
    var divId = "group_" + $(groupId + "_Title").value;
    var oldTitle = groupId.substr(6);

    if($(groupId + "_Title").value == '') {
        $(groupId + "_TitleRequired").style.display = "block";
        return false;
    }
    //If groupName has not changed no need to check if it allready exists.
    if( oldTitle != $(groupId + "_Title").value)
    {
        // check if groupName allready exists.    
        if( $(divId) != null )
        {
            $(groupId + "_TitleValidate").style.display = "block";
             MyNewsUpdateParentFrame();
            return false;
        }
    }
    $(groupId).id = divId;
    return true;
}

//Dynamicly sets which div Pork will update on the submit.
function MyNewsFormOnSubmit(form, groupId) {
    //Tell pork which group to replace
    var divId = "group_" + $(groupId + "_Title").value;
    new iframe(form, {update:divId, onComplete:MyNewsUpdateParentFrame});
    return false;
}


//Deletes a feed from a MyNewsGroupProfile
function MyNewsDeleteFeed(groupId, feedId) {
    var empty = true;
    var oFeeds = $(groupId);
    oFeeds.removeChild($(feedId));
    
    for (var i = 0; i < oFeeds.childNodes.length; i++)
    {
        var oFeed = oFeeds.childNodes.item(i);
        if(oFeed.nodeType == 1)
        {
            empty = false;
        }
    }
    if(empty) {
        var id = groupId.replace('_feeds','');
        $(id + "_NoFeeds").style.display = "block";
         MyNewsUpdateParentFrame();
    }
}

//Validates that the Url being added is in Url format.
//Than addes the Url.
function MyNewsAddFeedWithValidate(groupId, name, url, baseUrl) {
    if( $(groupId + "_AddUrl").value == "") {
        alert("You must provide a URL");
        return false;
    }
    if(!isUrl(url)) {
        $(groupId + "_UrlValidate").style.display = "block";
        MyNewsUpdateParentFrame();
        return false;
    }
    $(groupId + "_AddUrl").value = "";
    $(groupId + "_UrlValidate").style.display = "none";
    MyNewsAddFeed(groupId, name, url, baseUrl)
    MyNewsUpdateParentFrame();
}

//Adds  feed to a MyNewsGroupProfile
function MyNewsAddFeed(groupId, name, url, baseUrl) {
    if(IsFeedPresent(groupId, url)) {
        return false;
    }
    if(FeedCount(groupId) >= $("maxFeedsPerGroup").value) {
        alert("MyNews supports a maximum of " + $("maxFeedsPerGroup").value + " feeds per group.");
        return false;
    }
    
    var nextId = parseInt($(groupId + "_LastFeedId").value);
    nextId++;
    $(groupId + "_LastFeedId").value = nextId;
    
    var oDiv = document.createElement("div");  
    oDiv.className = "MyNews_LineItem";
    
    var oName = document.createElement("input");
    oName.type = "hidden";
    oName.value = name;
    oName.name="PlckFeed[" + nextId + "].Name"
    oDiv.appendChild(oName);
  
    var oUrl = document.createElement("input");
    oUrl.type = "hidden";
    oUrl.value = url;
    oUrl.name="PlckFeed[" + nextId + "].Url"
    oDiv.appendChild(oUrl);
     
    var oPreview = document.createElement("a");
    oPreview.className = "MyNews_Delete";
    oPreview.innerHTML = "Preview";
    oPreview.href="#none";
    oPreview.onclick = function(){ Preview( baseUrl, url ); return false; } //IE Hack to support handler wireup
    oDiv.appendChild(oPreview);
    
    var txtSpace = document.createTextNode(' | ' + name + ' | ')
    oDiv.appendChild(txtSpace);
        
    var oDel = document.createElement("a");
    oDel.className = "MyNews_Delete";
    oDel.innerHTML = "Delete";
    oDel.href="#none";
    oDel.onclick = function(){ MyNewsDeleteFeed(groupId + '_feeds', this.parentNode ); return false; } //IE Hack to support handler wireup
    oDiv.appendChild(oDel);
    
    $(groupId + "_feeds").appendChild(oDiv);
    $(groupId + "_NoFeeds").style.display = "none";
     MyNewsUpdateParentFrame();
}

function IsFeedPresent(groupId, url) {
    var oFeeds = $(groupId + "_feeds").childNodes;
    for (var i = 0; i < oFeeds.length; i++)
    {
        var oFeed = oFeeds.item(i);
        if(oFeed.nodeType == 1 && oFeed.className != 'MyNews_Current')
        {
            var oUrl = oFeed.getElementsByTagName("input")[1];
            if(oUrl.value == url) {
                alert("Feed already added");
                return true;
            }
        }
    }
    return false;
}

// Returns the count of feeds in a group.
function FeedCount(groupId) {
    var count =0;
    var oFeeds = $(groupId + "_feeds").childNodes;
    for (var i = 0; i < oFeeds.length; i++)
    {
        var oFeed = oFeeds.item(i);
        if(oFeed.nodeType == 1)
        {
            count++;
        }
    }
    return count - 1;
}

// Returns the count of groups defined.
function GroupCount() {
    var count =0;
    var oGroups = $("myNews").childNodes;
    for (var i = 0; i < oGroups.length; i++)
    {
        var oGroup = oGroups.item(i);
        if(oGroup.nodeType == 1)
        {
            count++;
        }
    }
    return count;
}

//Determines if the string being tested is a Url.
function isUrl(s) {
	var regexp = /(ftp|http|https|file):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
	return regexp.test(s);
}


function Preview(baseUrl, feedUrl) {
    window.open(baseUrl + '/MyNews/MyNewsFeed?plckFeedUrl=' + feedUrl, '_blank', 'WIDTH=400,HEIGHT=450,SCROLLBARS=YES,MENUBAR=NO,STATUSBAR=NO')
}

function ValidateLogin() {
    if($("plckUserName").value == '' && $("plckPassword").value == '') {
        alert("You must provide a UserName and Password");
        return false;
    }
    if($("plckUserName").value == '') {
        alert("You must provide a UserName");
        return false;
    }
    if($("plckPassword").value == '') {
        alert("You must provide a Password");
        return false;
    }
}   

function onSearchSubmit(qroupID) {
    if($(qroupID  + "_Search").value == '') {
        alert("You must provide some query text");
        return false;
    }    
}

function LimitLength(control, limitToLength){
    if(control.value.length > limitToLength) {
        control.value = control.value.substring(0, limitToLength);
    }
    return false;
}

/* this document is for visual dhtml features */
function mouseX(evt) {
    if (evt.pageX) return evt.pageX;
    else if (evt.clientX)
       return evt.clientX + (document.documentElement.scrollLeft ?
       document.documentElement.scrollLeft :
       document.body.scrollLeft);
    else return null;
}
function mouseY(evt) {
    if (evt.pageY) return evt.pageY;
    else if (evt.clientY)
       return evt.clientY + (document.documentElement.scrollTop ?
       document.documentElement.scrollTop :
       document.body.scrollTop);
    else return null;
}
function HideDiv(id){
    document.getElementById(id).style.display = "none";
}

function ShowDivAtMouse(evt, id) {
    posx = mouseX(evt) - 170;    
    posy = mouseY(evt);
    //normalize to make sure we at least appear on the screen
    if(posx < 0) posx = 10;
    if(posy < 0) posy = 10;
    
    document.getElementById(id).style.left = posx + "px";
	document.getElementById(id).style.top = posy + "px";
	document.getElementById(id).style.display = "block";
}
function ShowReportAbuse(evt, url, command) {
    document.getElementById("ReportAbuse_Url").value = url; 
    document.getElementById("ReportAbuse_Command").value = command;
    document.getElementById("ReportAbuse_CommentText").value = "";
    document.getElementById("ReportAbuse_Reason").selectedIndex = 0;
    ShowDivAtMouse(evt, "ReportAbuse_Menu");
}
function ReportAbuse() {
    var url = document.getElementById("ReportAbuse_Url").value; 
    var command = document.getElementById("ReportAbuse_Command").value;
    var text = document.getElementById("ReportAbuse_CommentText").value;
    var reason = document.getElementById("ReportAbuse_Reason").value;
    document.getElementById("ReportAbuse_Menu").style.display='none';
    var sendUrl = command+'&plckReason='+gSiteLife.EscapeValue(reason)+'&plckURL=' + gSiteLife.EscapeValue(url)
    if(text) sendUrl += "&plckAbuseDetail=" + gSiteLife.EscapeValue(text);
    gSiteLife.__Send(sendUrl);
}

function SiteLifeShowHide(id1, id2){
    document.getElementById(id1).style.display = "none";
    document.getElementById(id2).style.display = "block";
    return false;
}

function DebugShowInnerHTML(id, url) {
    var el = document.getElementById(id);
    var floatDiv = document.createElement("div");
      
    floatDiv.style.position = "absolute";    
    floatDiv.style.zIndex='1000';
    floatDiv.innerHTML = "<span style='background-color:red; color:white; cursor:pointer;' onclick='this.parentNode.parentNode.removeChild(this.parentNode);'>[close]</span>";    
    floatDiv.innerHTML += "<div style='background-color:black; color:white;'>" + url + "</div><textarea rows='20' cols='80'>" + el.childNodes[0].childNodes[1].innerHTML + "</textarea>";
    el.insertBefore(floatDiv, el.childNodes[0]);
}


function ToggleState() {
    var radio1 = $("plckCommentApprovalEveryOne");
    var radio2 = $("plckCommentApprovalNoBody");
    var table = $("commentSettings"); 
    if(radio1.disabled  == true) {
        radio1.disabled  = false;
        radio2.disabled  = false;
        table.className = "";
    }
    else {
        radio1.disabled  = true;
        radio2.disabled  = true;
        table.className = "BlogSettings_Disabled";
    }
}