/* ----------------------------------------------------------- */
// Initialize menu constants					   
/* ----------------------------------------------------------- */

var mnu_active = false; // determines if a menu is active
var mnu_itemspb =new Array();
var mnu_items = new Array(); // holds a collection of current active menus
var mnu_left = 0;
var mnu_right = 0;
var mnu_top = 0;
var mnu_bottom = 0;
var WinNum = 0; // init windows number

/* ----------------------------------------------------------- */
// Set-up document event handlers									   
/* ----------------------------------------------------------- */

if (ie5 || opera) {
	document.onclick = if_hideAllMenusOnClick;
	document.onscroll = if_hideAllMenusOnClick;
	window.onresize = if_winResize;
}    
else if (ns6) { 
	document.addEventListener("mousedown", if_hideAllMenusOnClick, true);
	window.addEventListener("onresize", if_winResize, true);
} 
else if (ns4) {
	document.onmousedown = if_hideAllMenusOnClick;
	window.captureEvents(Event.MOUSEMOVE);
}

/* ----------------------------------------------------------- */
// Pre-load drop down menu images so they display correctly					   
/* ----------------------------------------------------------- */

function if_preLoad(strRoomSkin) {

	arImageList = new Array ();
	var arImageSrc = new Array(strRoomSkin + "misc_rating1.gif",
    strRoomSkin + "misc_rating2.gif",
    strRoomSkin + "misc_rating3.gif",
	strRoomSkin + "misc_rating4.gif",
	strRoomSkin + "misc_rating5.gif",
	strRoomSkin + "table_header.gif",
	strRoomSkin + "button_go.gif");
	
	for (counter in arImageSrc) {
        arImageList[counter] = new Image();
        arImageList[counter].src = arImageSrc[counter];
    }

}

/* ----------------------------------------------------------- */
// Determine if ENTER Key was pressed                 
/* ----------------------------------------------------------- */
function if_Enter() 
{
    if (event.which || event.keyCode) {
        if ((event.which == 13) || (event.keyCode == 13)) {
            document.getElementById('ctl00_Body_WucInbox1_btnSigOn').focus();
            document.getElementById('ctl00_Body_WucInbox1_btnSigOn').click();
        }
    }
}          

/* ----------------------------------------------------------- */
// Determine what object model we should use                   
/* ----------------------------------------------------------- */

function if_returnObjRef(objName) {

	var objReturn = '';
		if (ie5 || ns6)
		{
			objReturn = document.getElementById(objName);
			if (!objReturn) {
				objReturn = document.getElementById(if_findInASPNETControlTree(objName));
			}
		}
		else if (ie4 || opera)
		{
			objReturn = document.all[objName];
			if (!objReturn) {
				objReturn = document.all[if_findInASPNETControlTree(objName)];
			}
		}
		else if (ns4)
		{
			objReturn = document.layers[objName];
			if (!objReturn) {
				objReturn = document.layers[if_findInASPNETControlTree(objName)];
			}
		}

	return objReturn

}




function pb_openMenuMouseOver(caller_id, mnu_div_id, strRoomSkin, mnu_width,hd_Notes_id) {
    mnu_active = true;
	if (mnu_active) {pb_openMenu(caller_id, mnu_div_id, strRoomSkin, mnu_width,hd_Notes_id);}
		
}
function pb_openMenu(caller_id, mnu_div_id, strRoomSkin, mnu_width,hd_Notes_id) {
		
		if (!document.createElement) {return false;}
		
		for (count = 0; count < mnu_itemspb.length; count++)	{
			if (mnu_itemspb[count] == mnu_div_id) {
				return false;
			}
		}
		
		pb_hideAllMenus();
		
		mnu_itemspb[mnu_itemspb.length] = mnu_div_id;
		mnu_active = true;
		
	    pb_setDiv(mnu_div_id, strRoomSkin, mnu_width,hd_Notes_id);
     	
		var div_layer = if_returnObjRef(mnu_div_id);
     		var div_layer_caller = if_returnObjRef(caller_id);
     	
     		var offsetTopDefault;
		offsetTopDefault = div_layer_caller.offsetHeight + 4;
		
		if ((ie4 || ie5) && !opera) {
			div_layer.filters.revealTrans.apply();
		}		
		
	
     	div_layer.style.top = if_getAbsoluteOffsetTop(div_layer_caller) + offsetTopDefault;
     	div_layer.style.left = if_getAbsoluteOffsetLeft(div_layer_caller);   
     	
       	if (ie4 || ie5 || opera) { 
 			mnu_left = div_layer.style.posLeft;
			mnu_top = div_layer.style.posTop - offsetTopDefault; 
		}
		else if (ns6) {
			mnu_left = if_removePX(div_layer.style.left);
			mnu_top = if_removePX(div_layer.style.top);
		}
		
		mnu_right = parseInt(mnu_left) + parseInt(mnu_extent.x);			
		mnu_bottom = parseInt(mnu_top) + parseInt(mnu_extent.y);
		
		if (ie4 || ie5 || opera || ns6) { 
 			win_width = document.body.clientWidth;
			if (mnu_right > win_width)
			{div_layer.style.left = win_width - mnu_width - 10;}
		}
				
		if ((ie4 || ie5) && !opera) {div_layer.filters.revealTrans.play();}
		
		if_toggleSelects('hidden')
		
		div_layer.style.display = "";
}
function pb_setDiv(mnu_div_id, strRoomSkin, mnu_width,hd_Notes_id) {     

    var elemDiv = document.createElement('div');     	
    var strTopicId = mnu_div_id.substring(mnu_div_id.indexOf("_")+1);
    
    elemDiv.id = mnu_div_id;
    elemDiv.setAttribute('class','');
    elemDiv.style.position = 'absolute';       
    elemDiv.style.width = mnu_width;
    
    if ((ie4 || ie5) && !opera)	{
	elemDiv.style.filter += "progid:DXImageTransform.Microsoft.alpha(enabled=1,opacity=100)";
	elemDiv.style.filter += "progid:DXImageTransform.Microsoft.shadow(direction=135,color=#AAAAAA,strength=2)";
	elemDiv.style.filter += "revealTrans(duration=0.2,transition=5)";}		
	
	
	elemDiv.innerHTML = pb_InitNotes(strRoomSkin,strTopicId,hd_Notes_id);
	
	document.body.appendChild(elemDiv); 
	
	if (hd_Notes_id!=undefined){
		if_returnObjRef('txtNote_'+strTopicId).value = if_returnObjRef(hd_Notes_id).value;
	}
	
	var mnu_height;
	
	if ((ie4 || ie5) || ns6)
		{mnu_height = elemDiv.offsetHeight;}
	else if (ns4)	
		{mnu_height = elemDiv.clip.height;}
	
	mnu_extent = {
		x : mnu_width,
		y : mnu_height
	};
		
	elemDiv.style.display = "none";			
		
}


function pb_hideAllMenus() {
	
	if (mnu_active) {	
		if_toggleSelects('visible');
		for (count = 0; count < mnu_itemspb.length; count++)	{
			var div_layer = if_returnObjRef(mnu_itemspb[count]);
			if (div_layer != null)	{
				div_layer.style.display = 'none';
				mnu_itemspb[count] = '';
				mnu_active = false;
			}
		}			
	}
		
}


/* ----------------------------------------------------------- */
// Open Menu on MouseOver Event
/* ----------------------------------------------------------- */

function if_openMenuMouseOver(caller_id, mnu_div_id, strRoomSkin, mnu_width) {
	
	if (mnu_active) {if_openMenu(caller_id, mnu_div_id, strRoomSkin, mnu_width);}
		
}

/* ----------------------------------------------------------- */
// Open Menu on MouseClick Event
/* ----------------------------------------------------------- */

function if_openMenu(caller_id, mnu_div_id, strRoomSkin, mnu_width) {
		
		// determine if we can create elements dynamically
		
		if (!document.createElement) {return false;}
		
		// check to see if item is already within active menu array if so just quit and return false
				
		for (count = 0; count < mnu_items.length; count++)	{
			if (mnu_items[count] == mnu_div_id) {
				return false;
			}
		}
		
		// hide any menus that maybe open
		
		if_hideAllMenus();
		
		// add active menu to array and set active state to true
		
		mnu_items[mnu_items.length] = mnu_div_id;
		mnu_active = true;
		
		// create the div layer container for this menu
		
     	if_setDiv(mnu_div_id, strRoomSkin, mnu_width);
     	
     	// get object references to div layer and div_layer that called this function
		
		var div_layer = if_returnObjRef(mnu_div_id);
     	var div_layer_caller = if_returnObjRef(caller_id);
     	
     	// set default offset for div layer from the caller div
     	
		var offsetTopDefault;
		offsetTopDefault = div_layer_caller.offsetHeight + 4;
		
		//This section has been recently commented
		//if ((ie4 || ie5) && !opera) {
		//	div_layer.filters.revealTrans.apply();
		//}		
		
		// position div layer relative to the opening link
     	
     	div_layer.style.top = if_getAbsoluteOffsetTop(div_layer_caller) + offsetTopDefault;
     	div_layer.style.left = if_getAbsoluteOffsetLeft(div_layer_caller);   
     	
       	// get left, right, top and bottom co-ordinates for div layer
		
     	if (ie4 || ie5 || opera) { 
 			mnu_left = div_layer.style.posLeft;
			mnu_top = div_layer.style.posTop - offsetTopDefault; 
		}
		else if (ns6) {
			mnu_left = if_removePX(div_layer.style.left);
			mnu_top = if_removePX(div_layer.style.top);
		}
		
		mnu_right = parseInt(mnu_left) + parseInt(mnu_extent.x);			
		mnu_bottom = parseInt(mnu_top) + parseInt(mnu_extent.y);
		
		// attempt to keep menu on screen
			
		if (ie4 || ie5 || opera || ns6) { 
 			win_width = document.body.clientWidth;
			if (mnu_right > win_width)
			{div_layer.style.left = win_width - mnu_width - 10;}
		}
				
     	// play layer filter just before displaying   
		//if ((ie4 || ie5) && !opera) {div_layer.filters.revealTrans.play();}
		
		// hide select boxes
		
		if_toggleSelects('hidden')
		
		// finally display the menu
		
		div_layer.style.display = "";
		
}

/* ----------------------------------------------------------- */
// Hide all menus on click event of document
/* ----------------------------------------------------------- */

function if_hideAllMenusOnClick(event) {
	
	if (mnu_active) {
		
		// find the element that was clicked on.

		if (ie4 || ie5 || opera) {
			el = window.event.srcElement;
		}
		else {
			el = (event.target.tagName ? event.target : event.target.parentNode);
		}

		// if the element is not part of a menu, reset and clear the active button.

		if (if_getContainer(el, "DIV") == null) {
			if_hideAllMenus();
			pb_hideAllMenus();
		}
	
	}
		
}

/* ----------------------------------------------------------- */
// Hide all active menus 
/* ----------------------------------------------------------- */

function if_hideAllMenus() {
	
	if (mnu_active) {	
		if_toggleSelects('visible');
		for (count = 0; count < mnu_items.length; count++)	{
			var div_layer = if_returnObjRef(mnu_items[count]);
			if (div_layer != null)	{
				div_layer.style.display = 'none';
				mnu_items[count] = '';
				mnu_active = false;
			}
		}			
	}
		
}

/* ----------------------------------------------------------- */
// Create div layer to hold menu
/* ----------------------------------------------------------- */

function if_setDiv(mnu_div_id, strRoomSkin, mnu_width) {     

	// create div layer container to holder table
	
    var elemDiv = document.createElement('div');     	
    elemDiv.id = mnu_div_id;
    elemDiv.setAttribute('class','');
    elemDiv.style.position = 'absolute';       
    elemDiv.style.width = mnu_width;
    
    // if IE apply layer effects
    
    if ((ie4 || ie5) && !opera)	{
	elemDiv.style.filter += "progid:DXImageTransform.Microsoft.alpha(enabled=1,opacity=100)";
	elemDiv.style.filter += "progid:DXImageTransform.Microsoft.shadow(direction=135,color=#AAAAAA,strength=2)";
	elemDiv.style.filter += "revealTrans(duration=0.2,transition=5)";}		
	
	// deteremine what table to apply as the innerHTML of the div layer container

	if (mnu_div_id == "if_menu_search") 
	{elemDiv.innerHTML = if_InitSearch(strRoomSkin);}
	else if (mnu_div_id == "if_menu_recent_topics") 
	{elemDiv.innerHTML = if_InitRecentPosts();}
	else if (mnu_div_id == "if_control_panel") 
	{elemDiv.innerHTML = if_InitControlPanel();}
	else if (mnu_div_id == "if_room_options") 
	{elemDiv.innerHTML = if_InitRoomOptions();}
	else if (mnu_div_id == "if_room_search") 
	{elemDiv.innerHTML = if_InitRoomSearch(strRoomSkin);}
	else if (mnu_div_id == "if_topic_options") 
	{elemDiv.innerHTML = if_InitTopicOptions();}
	else if (mnu_div_id == "if_topic_rating") 
	{elemDiv.innerHTML = if_InitTopicRating(strRoomSkin);}
	else if (mnu_div_id.indexOf("if_author_name_") == 0) 
	{elemDiv.innerHTML = if_InitAuthorName(strRoomSkin);}
	else if (mnu_div_id.indexOf("if_author_name2_") == 0) 
	{elemDiv.innerHTML = if_InitAuthorName2(strRoomSkin);}
	else if (mnu_div_id.indexOf("_mnu_LinksDiv") == 0) 
	{elemDiv.innerHTML = if_MyLinks();}
	

	// add div layer to documents
	
	document.body.appendChild(elemDiv);    
	
	// get layer height now content has been added
	
	var mnu_height;
	
	if ((ie4 || ie5) || ns6)
		{mnu_height = elemDiv.offsetHeight;}
	else if (ns4)	
		{mnu_height = elemDiv.clip.height;}
	
	mnu_extent = {
		x : mnu_width,
		y : mnu_height
	};
		
	// finally hide the layer 
	
	elemDiv.style.display = "none";			
		
}

/* ----------------------------------------------------------- */
// Toggle display of room group					           
/* ----------------------------------------------------------- */

function if_toggleDisplay(objName, strStylePath)
{

	obj = if_returnObjRef("if_obj_Group_" + objName);
	img = if_returnObjRef("if_obj_Image_" + objName);
	gft = if_returnObjRef("if_obj_Footer_" + objName);
	
	if (obj.style.display == "none" || gft.style.display == "none")
	{
		obj.style.display = "";
		gft.style.display = "";
		img.src = strStylePath + "misc_collapse.gif"
		if_update_cookie(objName, false);

	}
	else
	{
		obj.style.display = "none";
		gft.style.display = "none";
		img.src = strStylePath + "misc_expand.gif"
		if_update_cookie(objName, true);
	
	}
	return false;
}

/* ----------------------------------------------------------- */
// Save snapshot of room groups into cookie		           
/* ----------------------------------------------------------- */

function if_update_cookie(objName, bolSave)
{
	var ckName = "ProjectBoard_Groups";
	var ckColl = if_get_cookie(ckName);		
	var arrLocTemp = new Array();
	
	if (ckColl != null) // if cookie exists
	{
		arrColl = ckColl.split(","); // split cookie into array
		
		for (i in arrColl) // loop array
		{
			/* if item does not match objName or is blank */
			if (arrColl[i] != objName && arrColl[i] != "") 
			{
				arrLocTemp[arrLocTemp.length] = arrColl[i];
			}
		}
	}

	if (bolSave) // if item is expanded save groupid to array
	{
		arrLocTemp[arrLocTemp.length] = objName;
	}

	if_set_cookie(ckName, arrLocTemp.join(",")); // save cookie
}

/* ----------------------------------------------------------- */
// Standard Cookie Functions                       	           
/* ----------------------------------------------------------- */

function if_set_cookie(name, value)
{
	expire = " expires=Wed, 1 Jan 2020 00:00:00 GMT;";
	document.cookie = name + "=" + value + "; path=/;" + expire;
}

/* ----------------------------------------------------------- */

function if_get_cookie(name)
{
	ckName = name + '=';
	ckPos  = document.cookie.indexOf(ckName);
	
	if ( ckPos != -1 )
	{
		ckStart = ckPos + ckName.length;
		ckEnd   = document.cookie.indexOf(";", ckStart);
		
		if (ckEnd == -1)
		{
			ckEnd = document.cookie.length;
		}
		
		return unescape( document.cookie.substring(ckStart, ckEnd) );
	}
	
	return null;
}

/* ---------------------------------------------------------------------------------------------- */  
// General Helper Functions
/* ---------------------------------------------------------------------------------------------- */

/* ----------------------------------------------------------- */  
// Get top location of menu link to position menu
/* ----------------------------------------------------------- */

function if_getAbsoluteOffsetTop(obj) {

	var top = obj.offsetTop;
	var parent = obj.offsetParent;
	while (parent != document.body) {
	top += parent.offsetTop;
	parent = parent.offsetParent;	}
	return top;
	
}

/* ----------------------------------------------------------- */
// Get left location of menu link to position menu
/* ----------------------------------------------------------- */

function if_getAbsoluteOffsetLeft(obj) {

	var left = obj.offsetLeft;
	var parent = obj.offsetParent;
	while (parent != document.body) {
	left += parent.offsetLeft;
	parent = parent.offsetParent;	}
	return left - 7;
	
}

/* ----------------------------------------------------------- */
// If we cannot immediatly find a tbody object to hide a table this 
// will loop though all tbodies and find the object regardless of any
// asp.net control tree identifiers - things like _ctl1_objectID
/* ----------------------------------------------------------- */

function if_findInASPNETControlTree(strObjectName) {
	
	var strObjectOutput;
		tbodies = document.getElementsByTagName("tbody");
		for (var i = 0; i < tbodies.length; i++)
		{
			if (tbodies[i].id.indexOf(strObjectName) > 0) {
			strObjectOutput = tbodies[i].id;
			}
		}
		
	return strObjectOutput;
	
}

/* ----------------------------------------------------------- */
// Starting with the given node, find the nearest containing element
// with the specified tag name.
/* ----------------------------------------------------------- */

function if_getContainer(node, tagName) {

  while (node != null) {
    if (node.tagName != null && node.tagName == tagName)
      return node; node = node.parentNode;
  }

  return node;
}

/* ----------------------------------------------------------- */
// Hide select boxes when menus are expanded
/* ----------------------------------------------------------- */

function if_toggleSelects(state) {

	if (ie4 || ie5 || opera || ns6)	{
		selects = document.getElementsByTagName("select");
		for (var i = 0; i < selects.length; i++)
		{selects[i].style.visibility = state;}
	}

}

/* ----------------------------------------------------------- */
// This funtion removes the px chars from top and left 
// properties for NS6 browsers and returns a int
/* ----------------------------------------------------------- */

function if_removePX(strInput)	{
	var strOutput = 0;
	strOutput = strInput.substr(0, strInput.length -2);
	return strOutput;	
}

/* ----------------------------------------------------------- */
// This funtion removes any anchor points that maybe added to a 
// querystring value when getting the querystring values using javascript.
/* ----------------------------------------------------------- */

function if_removeBookmark(strInput)	{
	
	var strOutput;
	var bolBMFoundPos = strInput.indexOf("#");
	
	if (bolBMFoundPos > 0) 
	{strOutput = strInput.substring(0, bolBMFoundPos);}
	else
	{strOutput = strInput;}

	return strOutput;

}

/* ----------------------------------------------------------- */
// This function handles a window resize to ensure menus display correctly
/* ----------------------------------------------------------- */

function if_winResize() {

	if_hideAllMenus();

}

/* ----------------------------------------------------------- */
// Opens a window within the rooms. Used for printtopic.aspx
/* ----------------------------------------------------------- */

function if_wOpen(Url, Width, Height, Scroll, ToolBar, Location, Status, MenuBar, Resizeable)	{	
	var String;
   	String =  "toolbar=" + ToolBar + ",location=" + Location 
   	String += ", directories=0,status=" + Status + ",menubar=" + MenuBar + ","
	String += "scrollbars=" + Scroll + ",resizable=" + Resizeable + ",copyhistory=0,";
   	String += ",width=";
   	String += Width;
   	String += ",height=";
   	String += Height;
   	WinPic = window.open(Url,WinNum++,String);	
}

/* ----------------------------------------------------------- */
// Room logout confirmation
/* ----------------------------------------------------------- */

function if_logOut(msg) {

	if (ie4 || ie5 || opera || ns6)	{
	
		ht = document.getElementsByTagName("body");
		ht[0].style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=55)";
		if (confirm(msg))
		{return true;}
		else
		{ht[0].style.filter = ""; return false;}
	}
	else {
		if (confirm(msg))
		{return true;}
		else
		{return false;}
	}
	
}

//-->