var live_replies = 0;

var global_page_key;
var global_page_desc;

function load_viewing_history_for(key,desc) {
    global_page_key = key;
    global_page_desc = desc;
    var url = '/show-viewing-history/' + key + '?item_desc=' + escape(desc);
    var req = window.XMLHttpRequest ? new XMLHttpRequest : window.ActiveXObject ? new ActiveXObject('Microsoft.XMLHTTP') : '';
    req.onreadystatechange = function () {
        if (req.readyState == 4 && req.status == 200) {
            getEl('viewing_history_holder').innerHTML = req.responseText;
        }
    }
    req.open('GET',url,true);
    req.send(null); 
}

function refresh_viewing_history() {
    if (!global_page_key) { return; }
    load_viewing_history_for(global_page_key,global_page_desc);
}

function set_visible(id, on_off) {
	var el = document.all ? document.all[id] : document.getElementById(id);
	if(el && el.style) el.style.visibility = on_off ? 'visible' : 'hidden';
}
function display(id, on_off) {
	var el = document.all ? document.all[id] : document.getElementById(id);
	if(el && el.style) el.style.display = on_off ? '' : 'none';
}
function toggle_display(id) {
	var el = document.all ? document.all[id] : document.getElementById(id);
	if(el && el.style) el.style.display = el.style.display ? '' : 'none';
}
function opacity(id, o) {
	var el = document.all ? document.all[id] : document.getElementById(id);
	if(el && el.style) el.style.opacity = o;
	o = o * 100;
	if(el && el.style) el.style.filter = "alpha(opactiy=" + o + ")";
}
function toggle_dropdown(id) {
	display('new_dropdown', false);
	display('explore_dropdown', false);
	display('group_post_table', false);
	var el = getEl(id);
	el.style.display = el.style.display ? '' : 'none';
	el.style.zIndex = 199;
	if((id == 'go_dropdown' || id == 'new_dropdown' || id == 'explore_dropdown') && hide_owner_title) {
		var ot = getEl('owner_nav');
set_visible('owner_nav', el.style.display);
set_visible('page_start', el.style.display);
		if(ot) ot.style.marginTop = el.style.display ? '0' : '1200px';
	}
	if(getEl('page-start')) {
		getEl('page-start').style.opacity = el.style.display ? 1 : .4;
		getEl('page-start').style.filter = el.style.display ? "" : "alpha(opacity=40)";
	//	set_visible('page-start', el.style.display);
	}
}
var default_group_id;
var default_group_name;
var post_new_check_leave_page;
function post_new() {
	if (post_new_check_leave_page) {
		var msg = 'Confirm\n\nAre you sure you want to navigate away from this page?\n\nYour unsaved Blog Entry will be lost.\n\nPress OK to continue, or Cancel to stay on the current page.';
		if (! confirm(msg)) return;
	}
	
	window.skip_unload_check = 1;
	display('post_new', 1);
	display('post_new_link', 0);
//	display('content-start-div', 0);
//	display('page_start', 0);
	reset_groups_div(default_group_id, default_group_name);
}
function toggle_submenu(id) {
	toggle_display(id);
}
var hide_owner_title;
function hide_dropdown_delay(id) {
	display(id, false);
	var slider = getEl('slider-1');
	if(slider) slider.style.visibility = 'visible';
	if(hide_owner_title) {
		var ot = getEl('owner_nav');
		if(ot) ot.style.marginTop = '0';
	}
	if(getEl('page-start')) {
		getEl('page-start').style.opacity = 1;
		getEl('page-start').style.filter = "";
	//	set_visible('page-start', 1);
	}
}
var hide_timeout;
function hide_delay(id) {
	var func = "hide_dropdown_delay('" + id + "')";
	if(!hide_timeout) hide_timeout = window.setTimeout(func, 500);
}
function no_hide_delay() {
	window.clearTimeout(hide_timeout)
	hide_timeout = 0;
}
var dropdown_group_id;
function set_group_for_posting(group_id, group_name) {
	dropdown_group_id = group_id;
	display('pickgroup', 0);
	display('postgrouplist0', 0);
	display('postgrouplist1', 0);
	display('postgrouplist2', 1);
	
	var gname = getEl('group_name_label');
	if(gname) gname.innerHTML = '<div class=subtitle style="margin-bottom: 8px">Post to the group site to share with fellow group members, or <a href="javascript:reset_groups_div()">pick another group</a></div>';
	var gname2 = getEl('group_name_title');
	if(gname2) gname2.innerHTML = 'Add to ' + group_name;
}
function toggle_group_dropdown(div_id, group_id, group_name) {
	var gname = getEl(div_id + '_name');
	if(gname) gname.innerHTML = '<h4>Add to ' + group_name + '</h4>';
	if(dropdown_group_id == group_id) {
		toggle_display(div_id);
	}
	else {
		dropdown_group_id = group_id;
		display(div_id, 1);
	}
}
function go_group(url) {
	if(dropdown_group_id)
		window.location.href = 'http://' + dropdown_group_id + '.multiply.com' + url;
	else
		alert("Please select a group first.");
}
function confirmLink(message, url) {
	if(confirm(message)) window.location.href = url;
}
function confirmSubmit(message, form_name) {
	if(confirm(message)) getEl(form_name).submit();
}
function confirmBlock(url) {
    return confirmLink("Removing a message means you will not see the message nor its future replies. Please note that this is a message board, where unlike e-mail, it is not necessary to remove messages from this page. They will simply scroll off as they get old.\nAre you sure you want to remove this message and any replies?", url);
}
function getEl(el) {
	return document.all ? document.all[el] : document.getElementById(el);
}

// create a new element of tag 'type' and assign id and class, if provided
function createEl(type, id, theClass) {
	var el = document.createElement(type);
	if (el) {
		if ( id && id.length > 0 ) {
			el.id = id;
		}
		if ( theClass && theClass.length > 0 ) {
			el.className = theClass;
		}
	}

	return el;

}



function readCookie(name) {
	if(document.cookie == '') return false;

	var firstChar, lastChar;
	var theBigCookie = document.cookie;
	name = name + '=';
	firstChar = theBigCookie.indexOf(name);
	if (firstChar != -1) {
		firstChar += name.length;
		lastChar = theBigCookie.indexOf(';', firstChar);
		if(lastChar == -1) lastChar = theBigCookie.length;
		return unescape(theBigCookie.substring(firstChar, lastChar));
	}
	else {
		return false;
	}
}
function setImgSrc(id, src, width, height) {
	var img = getEl(id);
	img.width = width;
	img.height = height;
	img.src = src;
}
function window_height() {
	var myHeight = 0;
	if(typeof(window.innerHeight) == 'number') {
		myHeight = window.innerHeight;
	}
	else if(document.documentElement && document.documentElement.clientHeight) {
		myHeight = document.documentElement.clientHeight;
	}
	else if(document.body && document.body.clientHeight) {
		myHeight = document.body.clientHeight;
	}
	return myHeight;
}
function containsDOM (container, containee) {
	var isParent = false;
	do {
		if ((isParent = container == containee))
			break;
		containee = containee.parentNode;
	}
	while (containee != null);
	return isParent;
}
function checkMouseEnter (element, evt) {
	if (element.contains && evt.fromElement) {
		return !element.contains(evt.fromElement);
	}
	else if (evt.relatedTarget) {
		return !containsDOM(element, evt.relatedTarget);
	}
}
function doesContain(elThis, elThat) {
	if (elThat == elThis) return true;
	if (elThat == null) return false;
	return doesContain(elThis, elThat.parentNode);
}
function checkMouseLeave (element, evt) {
	if (evt.toElement) {
		return !doesContain(element, evt.toElement);
	}
	else if (evt.relatedTarget) {
		return !containsDOM(element, evt.relatedTarget);
	}
}
var keyActions = new Array ();

keyActions [0] = {character:  "P",
	param:      "http://multiply.com/compose/pm"};

keyActions [1] = {character:  "N",
	param:      "http://multiply.com/compose/note"};

keyActions [2] = {character:  "U",
	param:      "http://multiply.com/go-user-site?xurl=photos/upload"};

keyActions [3] = {character:  "J",
	param:      "http://multiply.com/go-user-site?xurl=journal/compose"};

keyActions [4] = {character:  "S",
	param:      "http://multiply.com/go-user-site?xurl=calendar/compose"};

keyActions [5] = {character:  "V",
	param:      "http://multiply.com/go-user-site?xurl=reviews/compose"};

keyActions [6] = {character:  "M",
	param:      "http://multiply.com/go-user-site?xurl=market/compose"};

keyActions [7] = {character:  "I",
	param:      "http://multiply.com/go-user-site?xurl=recipes/compose"};

keyActions [8] = {character:  "L",
	param:      "http://multiply.com/go-user-site?xurl=links/compose"};

function hotKeys (event) {
	event = (event) ? event : ((window.event) ? event : null);
	if (event && event.ctrlKey) {
		var charCode = (event.charCode) ? event.charCode : ((event.which) ? event.which : event.keyCode);
		var myChar = String.fromCharCode (charCode).toLowerCase();
		if (event.shiftKey) {myChar = myChar.toUpperCase();}
		// Firefox returns keycode 109 when '-' (minus) key is pressed
		// which is ascii code for lowercase "m". Pressing either "M" and "m"
		// generates keycode 77
		if ((myChar == "m" && charCode == 77) || myChar == "\n" || myChar == "\r") {return submitReply();}
		for (var i = 0; i < keyActions.length; i++) {
			if (keyActions[i].character == myChar) {
				var action;
				action = new Function ('location.href	="' + keyActions[i].param + '"');
				action ();
				break;
			}
		}
	}
}
var xml_reqs = new Array();
function load_xml_document(req_name, url, callback) {
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        xml_reqs[req_name] = new XMLHttpRequest();
        xml_reqs[req_name].onreadystatechange = callback;
        xml_reqs[req_name].open("GET", url, true);
        xml_reqs[req_name].send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        xml_reqs[req_name] = new ActiveXObject("Microsoft.XMLHTTP");
        if (xml_reqs[req_name]) {
            xml_reqs[req_name].onreadystatechange = callback;
            xml_reqs[req_name].open("GET", url, true);
            xml_reqs[req_name].send();
        }
    }
}
function addEvent(obj, evType, fn, useCapture) {
  if (obj.addEventListener) {
    obj.addEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.attachEvent) {
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  };
};
function quicksearch_setup() {
	var input = getEl('quicksearchinput');
	if(input) {
		ph = input.getAttribute("placeholder")
		if( ph && ph != "" ) {
			input.value = ph;
			input.style.color = 'gray';
			input.onfocus = quicksearch_focus;
			input.onblur = quicksearch_blur;
		}
	}
}

function quicksearch_focus() {
	if( this.style.color == 'gray' ) {
		this.value = '';
		this.style.color = 'black';
	}
}
function quicksearch_blur() {
	ph = this.getAttribute("placeholder")
	if( ph && this.value == "" ) {
		this.value = ph;
		this.style.color = 'gray';
	}
}
var guideboxheight;
function do_nothing () {
	return;
}
function collapse_guidebox(id, nonvirgin) {
	display(id, false);
	display('openbox' + id, true);
	load_xml_document('setpref', '/user/set-pref/no_guidebox:' + id + '/1', do_nothing);
}
function open_guidebox(id, nonvirgin) {
	display(id, true);
	display('openbox' + id, false);
	load_xml_document('setpref', '/user/set-pref/no_guidebox:' + id + '/0', do_nothing);
}

function show_advanced() {
	display('display_options', 1);
//	display('show_from', 0);
	display('item_table', 0);
	display('item_table_bottom', 0);
	display('mail_tabs', 0);
	display('mail_tab_wrap', 0);
	display('mail_label', 0);
	display('advancedlinks', 0);
	display('next_page_links', 0);
	display('included_display_options', 0);
}

function pick_post_group() {
	display('pickgroup', 0);
	display('postgrouplist1', 1);
}
function reset_groups_div(default_group_id, default_group_name) {
	if(default_group_id) {
		set_group_for_posting(default_group_id, default_group_name);
	}
	else {
		display('pickgroup', 1);
		display('postgrouplist0', 1);
		display('postgrouplist1', 0);
		display('postgrouplist2', 0);
		var gname2 = getEl('group_name_title');
		if(gname2) gname2.innerHTML = 'Add to a Group Site';
	}
}
function logo_onmouseover_ie() {
	getEl("multiply_logo").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://images.multiply.com//multiply/splash/splashheaderlogosmall2_red.png',sizingMethod='scale')";
}
function logo_onmouseout_ie() {
	getEl("multiply_logo").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://images.multiply.com//multiply/splash/splashheaderlogosmall2.png',sizingMethod='scale')";
}

function popup_miniprofile(element, user_id, offset_x, offset_y) {
	var div = getEl('miniprofile_div');
	var pos = getPos(element);
	if (offset_x || offset_y) {
		div.style.left = (pos.x + offset_x) + 'px';
		div.style.top = (pos.y + offset_y) + 'px';
	}
	else {
		div.style.left = pos.x + 'px';
		div.style.top = pos.y + 'px';
	}
	div.style.position = 'absolute';
	div.innerHTML = "<table onmouseout='if (checkMouseLeave(this, event)) display(\"miniprofile_div\", 0)' class=miniprofiletable cellpadding=0 cellspacing=0><tr><td><div class=miniprofilediv><img src='http://images.multiply.com/common/misc/indicator-medium.gif' class='indicator'></div></td></tr></table>";
	div.style.display = '';
	var url = '/miniprofile/' + user_id;
	load_xml_document('miniprofile', url, popup_miniprofile_callback);
}

function popup_miniprofile_callback() {
	if (xml_reqs['miniprofile'].readyState != 4) return;
	if (xml_reqs['miniprofile'].status != 200) return;

	var div = getEl('miniprofile_div');
	div.style.width = '300px';
	div.style.height = '150px';

	div.innerHTML = xml_reqs['miniprofile'].responseText;
}

function getPos(inputElement) {
    var coords =  new Object();
    coords.x = 0;
    coords.y = 0;
    try {
        targetElement = inputElement;
        if(targetElement.x && targetElement.y) {
            coords.x = targetElement.x;
            coords.y = targetElement.y;
        } else {
            if(targetElement.offsetParent) {
                coords.x += targetElement.offsetLeft;
                coords.y += targetElement.offsetTop;
                while(targetElement = targetElement.offsetParent) {
                    coords.x += targetElement.offsetLeft;
                    coords.y += targetElement.offsetTop;
                }
            } else {
                //alert(\"Could not find any reference for coordinate positioning.\");
            }
        }
        return coords;
    } catch(error) {
        //alert(error.msg);
        return coords;
    }
}