window.chatwin = null;

function MatchChatAddConvo( IMsiteaction ) {
	if (IMsiteaction != "") {
		// pause computer until child has had a chance to recreate connection, if appropriate
		pausecomp(51);
		
		// hide alert
		HideAlert('divChatAlert');		
		
		if (IMsiteaction == "")
		{
			return false;
		}
		// chat window vars
		var chatwinURL = "/chat/conv.aspx";
		var chatwinFeatures = "";
			chatwinFeatures += "width=558";		// width
			chatwinFeatures += ",height=475";	// height
			chatwinFeatures += ",scrollbars=no";// scrollbars
			chatwinFeatures += ",status=no";	// statusbar
			chatwinFeatures += ",resizable=no";	// resizable
			chatwinFeatures += ",toolbar=no";	// toolbar
			chatwinFeatures += ",menubar=no";	// menubar
		var chatwinName = "imconv";
		
		// chat vars
		var myid = getStringParam('idto', IMsiteaction, false);
		var theirid = getStringParam('idfrom', IMsiteaction, false);
		var convoid = getStringParam('convoid', IMsiteaction, false);
		var serverid = getStringParam('srid', IMsiteaction, false);
		
		if ( window.chatwin == null || window.chatwin.closed ) {
			// open new window && let onload handle add convo
			window.chatwin = window.open(IMsiteaction,chatwinName,chatwinFeatures);
		} else {
			var callback = function ()
			{
				if ( window.chatwin.chatwin == null || window.chatwin.addConvo == null )
				{
					setTimeout(arguments.callee, 50);
					return;
				}
				
				// add new conversation to child window
				window.chatwin.addConvo(myid, theirid, convoid, serverid);
			}
			setTimeout(callback, 50);
			
			window.chatwin.focus();
		}
	}
	return false;
}

function loseHandle() {
	window.chatwin = null;
}

function HideAlert(divHide)
{
	var HideDiv;
	HideDiv = document.getElementById(divHide);
	if (HideDiv != null) {
		HideDiv.style.display = "none";
	}
}

function getSubString(thestring, pointFrom, pointTo)
{
	if (pointFrom != null && pointFrom != '')
	{
		var start = thestring.indexOf(pointFrom) + pointFrom.length;
		var secondString = thestring.substring(start, thestring.length);
	} else {
		var secondString = thestring;
	}
	var end = secondString.indexOf(pointTo);
	if (pointTo != '' && end >= 0) {
		var finalString = secondString.substring(0, end);
	} else {
		var finalString = secondString;
	}
	return finalString;
}

// paramName == parameter name to get
// myString == if using custom string, pass here
// qsbool == if using querystring, pass true
// return string value
function getStringParam(paramName, myString, qsbool)
{	

	if (qsbool == true) {
		myString = String(window.location);
	}
	var paramValue = getSubString(myString, paramName +'=', '&');
	return paramValue;
}


// www.sean.co.uk<br><br>
function pausecomp(millis)
{
	var date = new Date();
	var curDate = null;

	do { curDate = new Date(); }
	while ( curDate-date < millis );
}

function showChatBubble( user, IMURL ) {
	if ( IMURL != '' ) {
		chatBubble = document.getElementById( user );
		chatBubble.className = IMURL;
	}
}

function showChatBubbleDetail( user, IMURL ) {
	if ( IMURL != '' ) {
		chatBubble = document.getElementById( user );
		chatBubble.className = IMURL;
	}
}

function hideChatBubble( user ) {
	chatBubble = document.getElementById( user );
	chatBubble.className = 'div_chatBubble';
}

var ruto;	
function rollAlertDown()
{
	var to;
	var ftlObj = document.getElementById("divChatAlertWrapper");
	var startY = -40;
	var endY = alertsY;
	var currentY = -40;

	window.stayTopLeft = function stayTopLeft()
	{
		if (currentY <= endY)
		{
			currentY += (endY - startY)/7;
			ftlObj.style.top = currentY + "px";
			to = setTimeout("stayTopLeft()", 100);
		}	
		else
		{
			clearTimeout(to); 
			ruto = setTimeout("rollAlertUp()", 5000);
		}
	}
	stayTopLeft();	
}

function rollAlertUp()
{
	clearTimeout(ruto);
	var to;
	var ftlObj = document.getElementById("divChatAlertWrapper");
	var startY = alertsY;
	var endY = -200;
	var currentY = alertsY;

	window.stayBottomLeft = function stayBottomLeft()
	{
		if (currentY >= endY)
		{
			currentY -= (startY - endY)/7;
			ftlObj.style.top = currentY + "px";
			to = setTimeout("stayBottomLeft()", 100);
		}
		else
		{
			clearTimeout(to); 
		}	

	}
	
	stayBottomLeft();	
}