/*
 *	It is of critical importance that this file is referenced inside the <body> tag of every page 
 * 	on your site.  For example: 
 *
 *	<body>
 *	<script src="/_chat/functions.js" type="text/javascript" language="javascript"></script>
 *	
 *	!!! WE HIGHLY RECOMMEND YOU LEAVE up_bDoPresence TO true AND TO IMPLEMENT THE CODE IN ALL php 
 *	PAGES IN THIS FOLDER !!!
 *
 *	Set up_bDoPresence to false if you have your own presence detection and will check for pending IC
 *	windows and call up_launchIC on your own.  If so, you will need to call up_launchIC for every 
 *	pending IC window every time the user changes pages.  Also, you will need to implement the logic 
 *	in the icWindowOpened.php page to let you know when requests have been denied and also when windows 
 *	have successfully popped up
 */
var up_bDoPresence = true; 

/* 
 *	If you have up_bDoPresence set to true, this is how often (in seconds) we will connect to your 
 *	server via icLauncher.php or win_ie_pd.php
 */
var up_iCheckSeconds = 30; 

// PLEASE DO NOT CHANGE ANY CODE BELOW THIS LINE






function up_launchIC( userID, destinationUserID, destinationName )
{
	up_localUserID = userID;
	
	var popupWindowTest = null;
	
	popupWindowTest = window.open( "/_chat/ic.php?strDestinationUserID=" + destinationUserID, "ICWindow_" + up_replaceAlpha(userID) + "_" + up_replaceAlpha(destinationUserID), "width=468,height=530,toolbar=0,directories=0,menubar=0,status=0,location=0,scrollbars=0,resizable=0" );
	if( popupWindowTest == null )
	{
		up_showICNotify( userID, destinationUserID, destinationName );
	}
	else
	{
		up_clearICNotify( destinationUserID, false ); 
	}
}

function up_showICNotify( userID, destinationUserID, destinationName )
{
	up_localUserID = userID;
	
	var bAdd = true;
	for( var i = 0 ; i < up_launchArray.length ; i++ )
	{
		if( up_launchArray[i].destID == destinationUserID )
		{
			if( destinationName != undefined )
			{
				up_launchArray[i].destName = "<strong>" + destinationName + "</strong>";
			}
			bAdd = false;
		}
	}
	
	destinationName = destinationName == undefined ? "A website member" : "<strong>" + destinationName + "</strong>";
	
	if( bAdd )
	{
		var userObj = new Object();
		userObj.destID = destinationUserID;
		userObj.destName = destinationName;
		up_launchArray.push( userObj );
	}
	
	up_showNotification();
}

function up_clearICNotify( clearDestID, bForceClear )
{
	var tempArray = up_launchArray;
	up_launchArray = new Array();
	
	var bRemoved = false;
	
	while( tempArray.length > 0 )
	{
		var userObj = tempArray.pop();
		
		if( userObj.destID != clearDestID )
		{
			up_launchArray.push( userObj );
		}
		else
		{
			bRemoved = true;
		}
	}
	
	if( bRemoved || !bForceClear )
	{
		frames['up_icLauncher'].location.href = "/_chat/icWindowOpened.php?destinationUserID=" + clearDestID + "&doPresence=" + ( up_bDoPresence && !up_is_win_ie ? "true" : "false" ) + "&forceClear=" + ( bForceClear ? "true" : "false" ) + "&iRefreshInterval=" + up_iCheckSeconds + "&refresh=" + Math.floor( Math.random() * 100000000000 );
	}
	
	up_showNotification();
}

function up_showNotification()
{
	var elem = document.getElementById( "up_icNotifications" );
	
	if( up_launchArray.length > 0 )
	{
		if( up_displayedNotificationID != up_launchArray[0].destID )
		{
			elem.innerHTML = '<div class="up_mbox"><div class="up_mbox1"><div class="up_mbox2"></div></div><div class="up_mboxgut" style="text-align:center">' + ( up_is_win_ie ? '' : '<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr><td align="center">' ) + '<table border="0" cellpadding="2" cellspacing="5"><tr><td nowrap align="center"><strong style="font-size:larger;">Incoming IM Message</strong></td></tr><tr><td align="center">' + up_launchArray[0].destName + ' wants to IM you.<br>Would you like to accept?</td></tr><tr><td nowrap align="center"><a style="font-size:larger;" href="" onClick="javascript: up_launchIC( \'' + up_localUserID + '\', \'' + up_launchArray[0].destID + '\' ); return false;">Yes</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a style="font-size:larger;" href="" onClick="javascript: up_clearICNotify( \'' + up_launchArray[0].destID + '\', true ); return false;">No</a></td></tr></table>' + ( up_is_win_ie ? '' : '</td></tr></table>' ) + '</div><div class="up_mbox3"><div class="up_mbox4"></div></div></div>';
			up_displayedNotificationID = up_launchArray[0].destID;
			up_animate( 30 );
		}
	}
	else
	{
		up_displayedNotificationID = "";
		up_animate( -200 );
	}
}

function up_animate( iWhereTo )
{
	if( up_iDivCurrentY != iWhereTo )
	{
		up_iDivCurrentY += iWhereTo < up_iDivCurrentY ? -10 : 10;
		
		var elem = document.getElementById( "up_icNotifications" );
		elem.style.top = up_iDivCurrentY;
		
		setTimeout( "up_animate(" + iWhereTo + ")", 33 );
	}
}

function up_replaceAlpha( strIn )
{
	var strOut = "";
	for( var i = 0 ; i < strIn.length ; i++ )
	{
		var cChar = strIn.charAt(i);
		if( ( cChar >= 'A' && cChar <= 'Z' )
			|| ( cChar >= 'a' && cChar <= 'z' )
			|| ( cChar >= '0' && cChar <= '9' ) )
		{
			strOut += cChar;
		}
		else
		{
			strOut += "_";
		}
	}
	
	return strOut;
}

function up_checkIC(location)
{
	if( up_is_win_ie )
	{
		up_icCheckImage = new Image();
		up_icCheckImage.onLoad = up_onImageLoad();
		up_icCheckImage.src = "/_chat/win_ie_pd.php?currentfolder=" + location + "&refresh=" + Math.floor( Math.random() * 100000000000 );
	}
	else
	{
		frames['up_icLauncher'].location.href = "/_chat/icLauncher.php?iRefreshInterval=" + up_iCheckSeconds + "&refresh=" + Math.floor( Math.random() * 100000000000 );
	}
}

function up_onImageLoad()
{
	clearTimeout( up_timeoutID );
	
	if (!up_icCheckImage.complete)
	{
		up_timeoutID = setTimeout("up_onImageLoad()", 250);
	}
	else
	{
		if( up_icCheckImage.height == 2 )
		{
			frames['up_icLauncher'].location.href = "/_chat/icLauncher.php?iRefreshInterval=0&refresh=" + Math.floor( Math.random() * 100000000000 );
		}
		else
		{
			//alert( "Nothing to launch" );
		}
		
		up_timeoutID = setTimeout("up_checkIC()", 1000 * up_iCheckSeconds);
	}
}

document.write( '<style type="text/css">' );
document.write( '.up_mbox { background: #ffffff url(/_chat/fbox.gif) repeat-y top right; border: 0; margin: 2px 0 6px 0; padding: 0; }' );
document.write( '.up_mbox1 { background: url(/_chat/fbox1.gif) no-repeat top right; height: 8px; font: normal 0px/0px Sans-serif; margin: 0; padding: 0; }' );
document.write( '.up_mbox2 { display: block; background: url(/_chat/fbox2.gif) no-repeat top left; height: 8px; width: 8px; font: normal 0px/0px Sans-serif; margin: 0; padding: 0; }' );
document.write( '.up_mbox3 { background: url(/_chat/fbox3.gif) no-repeat bottom right; height: 8px; font: normal 0px/0px Sans-serif; margin: 0; padding: 0; }' );
document.write( '.up_mbox4 { display: block; background: url(/_chat/fbox4.gif) no-repeat bottom left; height: 8px; width: 8px; font: normal 0px/0px Sans-serif; margin: 0; padding: 0; }' );
document.write( '.up_mboxgut { background: url(/_chat/fboxgut.gif) repeat-y top left; font: 11px/18px Verdana, Geneva, Arial, Helvetica, Helve, Sans-serif; margin: 0; padding: 0 10px 0 10px; word-wrap: break-word; }' );
document.write( '</style>' );
document.write( '<iframe name="up_icLauncher" id="up_icLauncher" style="width:0px; height:0px; border: 0px" src=""></iframe>' );
document.write( '<div id="up_icNotifications" style="position:absolute; width:250px; z-index:9999; left: 30px; top: -200px;"></div>' );
var up_iDivCurrentY = -200;

var up_launchArray = new Array();
var up_localUserID = "";
var up_displayedNotificationID = "";

var up_icCheckImage = null;
var up_timeoutID = null;

// determine if is Windows IE (up_is_win_ie)
var up_agt 			= navigator.userAgent.toLowerCase();
var up_appVer 		= navigator.appVersion.toLowerCase();
var up_is_mac 		= up_agt.indexOf('mac') != -1;
var up_is_safari 	= up_agt.indexOf('safari') != -1 && up_is_mac;
var up_is_khtml  	= up_is_safari || up_agt.indexOf('konqueror') != -1;
var up_is_ie  	 	= up_appVer.indexOf('msie') != -1 && up_agt.indexOf("opera") == -1 && !up_is_khtml;
var up_is_win   	= up_is_mac ? false : (up_agt.indexOf("win") != -1 || up_agt.indexOf("16bit") != -1);
var up_is_win_ie 	= up_is_win && up_is_ie; 

if( up_bDoPresence )
{
	up_checkIC(window.location.pathname);
}
