/************************************************************************************************************
	(C) www.dhtmlgoodies.com, October 2005
	
	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
	
	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.
	
	Thank you!
	
	www.dhtmlgoodies.com
	Alf Magne Kalleland
	
	************************************************************************************************************/	

	var messageWindow = false;
	var messageWindowContent = false;
	var messageWindowTabDiv = false;
	var messageWindowStatusDiv = false;
	var messageWindowMoveBar = false;
	
	var currentMessageZIndex = 1000;
	var messageWindowMaxZIndex = 1000;
	var messageWindowMinimumWidth = new Array();

	
	var MSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
	var navigatorVersion = navigator.appVersion.replace(/.*?MSIE (\d\.\d).*/g,'$1')/1;
	
	var messageWindowMoveCounter;
			
	/*
	These cookie functions are downloaded from 
	http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
	*/	
	function messageGet_Cookie(name) { 
	   var start = document.cookie.indexOf(name+"="); 
	   var len = start+name.length+1; 
	   if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 
	   if (start == -1) return null; 
	   var end = document.cookie.indexOf(";",len); 
	   if (end == -1) end = document.cookie.length; 
	   return unescape(document.cookie.substring(len,end)); 
	} 
	// This function has been slightly modified
	function messageSet_Cookie(name,value,expires,path,domain,secure) { 
		expires = expires * 60*60*24*1000;
		var today = new Date();
		var expires_date = new Date( today.getTime() + (expires) );
	    var cookieString = name + "=" +escape(value) + 
	       ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 
	       ( (path) ? ";path=" + path : "") + 
	       ( (domain) ? ";domain=" + domain : "") + 
	       ( (secure) ? ";secure" : ""); 
	    document.cookie = cookieString; 
	}	
		
	function cancelMessageWindowEvent()
	{
		return (messageWindowMoveCounter==-1 && messageWindowResizeCounter==-1 && this.tagName!='IMG')?true:false;
	}
	
	var messageWindowMoveCounter = -1;
	var messageWindowResizeCounter = -1;
	var messageInitEventX = false;
	var messageInitEventY = false;
	var messageWindow_posX = false;
	var messageWindow_posY = false;
	var messageWindow_height = false;
	var messageWindow_width = false;
	
	function initMessageWindowResize(e)
	{
		if(document.all)e = event;
		messageWindowResizeCounter = 0;	
		
		bringMessageWindowToFront(false,this.parentNode.parentNode);

		messageInitEventX = e.clientX;
		messageInitEventY = e.clientY;
		messageWindow_height = messageWindowContent.offsetHeight;
		messageWindow_width = messageWindow.offsetWidth;
		
			
		timerMessageWindowMove();
		return false;
	}
	
	function initMessageWindowMove(e)
	{
		if(document.all)e = event;	
		messageWindowMoveCounter = 0;		
		bringMessageWindowToFront(false,this.parentNode);

		messageInitEventX = e.clientX;
		messageInitEventY = e.clientY;
		messageWindow_posX = messageWindow.style.left.replace('px','')/1;
		messageWindow_posY = messageWindow.style.top.replace('px','')/1;

			

		timerMessageWindowMove();
		return false;
		
	}
	
	function timerMessageWindowMove()
	{
		if(messageWindowMoveCounter>=0 && messageWindowMoveCounter<10){
			messageWindowMoveCounter = messageWindowMoveCounter + 1;
			setTimeout('timerMessageWindowMove()',10);
		}		
		if(messageWindowResizeCounter>=0 && messageWindowResizeCounter<10){
			messageWindowResizeCounter = messageWindowResizeCounter + 1;	
			setTimeout('timerMessageWindowMove()',10);
		}
	}
	var allowMessageResize = true;
	function messageWindowMove(e)
	{
		if(document.all)e = event;
		
		if(self.messageWindowMoveCounter){
			if(messageWindowMoveCounter>=10){
				var leftPos = messageWindow_posX + e.clientX - messageInitEventX;
				var topPos = messageWindow_posY + e.clientY - messageInitEventY;
				if(topPos<0)topPos=0;
				if(leftPos<0)leftPos=0;
				//messageWindow.style.left = leftPos + 'px';
				//messageWindow.style.top = topPos + 'px';			
				messageSet_Cookie(messageWindow.id,leftPos + '_' + topPos,100);
				return;
			}
		}
		
		if(self.messageWindowResizeCounter){
			if(messageWindowResizeCounter>=10 && allowMessageResize){
				//turned off horzontal resize
				//var width = messageWindow_width + e.clientX - messageInitEventX;
				var width = messageWindow_width;
				var height = messageWindow_height + e.clientY - messageInitEventY;
				//if(width<messageWindowMinimumWidth[messageWindow.id])width = messageWindowMinimumWidth[messageWindow.id];
				if(height<0)height = 0;
				messageWindowMoveBar.style.width = (width - 4) + 'px';
				//messageWindow.style.width = width + 'px';
				var numericID = messageWindow.id.replace(/[^\d]/g,'');
				for(var no=0;no<MessageContentDivs[numericID].length;no++){
					if(navigatorVersion<6 && MSIE){
						//MessageContentDivs[numericID][no].style.width = (width)  + 'px';
					}else{
						//MessageContentDivs[numericID][no].style.width = (width - 4)  + 'px';
					}
					MessageContentDivs[numericID][no].style.height = height + 'px';	
					
					document.getElementById('details_container').style.height = height + 'px';
					
				}
				
				if(navigatorVersion<6 && MSIE){
					//messageWindowMoveBar.style.width = (width) + 'px';
				}
				
				messageSet_Cookie('message_window_size' + messageWindow.id.replace(/[^\d]/g,''),width + '_' + height,100);
				
				if(document.all){
					allowMessageResize = false;
					setTimeout('allowMessageResize=true',30);
				}		
			}
		}
	}
	
	function messageInitSetSize(windowObj,width,height)
	{
		if(width<messageWindowMinimumWidth[windowObj.id])width = messageWindowMinimumWidth[windowObj.id];
		//windowObj.style.width = width + 'px';
		windowObj.style.width = 'auto';
		var subDivs = windowObj.getElementsByTagName('DIV');
		for(var no=0;no<subDivs.length;no++){
			if(subDivs[no].className=='messageWindowContent')subDivs[no].style.width = '99.8%';
			//if(subDivs[no].className=='messageWindowContent')subDivs[no].style.width = (width-4) + 'px';
			if(subDivs[no].className=='messageWindowContent' && height)subDivs[no].style.height = height + 'px';
		}
		
		document.getElementById('details_container').style.height = height + 'px';
	}	
	
	function messageWindowStopMove(e)
	{
		messageWindowMoveCounter = -1;	
		messageWindowResizeCounter = -1;	

	}
	
	function messageAddMovingBar(inputObj)
	{
		var div = document.createElement('DIV');
		div.className='messageWindow_moveBar';
		div.innerHTML = '<span></span>';
		div.onmousedown = initMessageWindowMove;
		inputObj.appendChild(div);	
		
	}
	
	function MessageCreateStatusBar(inputObj,noResize)
	{
		var div = document.createElement('DIV');
		//div.style.position = 'relative';
		div.className='messageWindow_statusBar';	
		var innerSpan = document.createElement('SPAN');
		innerSpan.id = 'messageWindow_statusBarTxt';
		div.appendChild(innerSpan);
		inputObj.appendChild(div);
		
		if(noResize){			

			return;
				
		}
		var img = document.createElement('IMG');
		img.src = 'components/com_jchat/javascript/messagewindow/images/message_window_resize.gif';
		img.onmousedown = initMessageWindowResize;
		img.ondragstart = cancelMessageWindowEvent;
		div.appendChild(img);
		//div.innerHTML = '<img onmousedown="initMessageWindowResize()" ondragstart="cancelMessageWindowEvent()" src="components/com_jchat/javascript/messagewindow/images/message_window_resize.gif"/><img id="jc_loading" src="components/com_jchat/templates/images/loading.gif" style="display:none;" />';
		//div.appendChild(div);	
		
	}
		
	var MessageContentDivs = new Array();
	var MessageCountWindows = 0;
	
	function bringMessageWindowToFront(e,inputObj)
	{
		if(messageWindowMaxZIndex>currentMessageZIndex)currentMessageZIndex = messageWindowMaxZIndex/1 + 1;
		if(!inputObj)inputObj = this;
		messageWindow = inputObj;
		messageWindow.style.zIndex = currentMessageZIndex+1;
		var numericID = messageWindow.id.replace(/[^\d]/g,'');
		for(var no=0;no<MessageContentDivs[numericID].length;no++){
			if(MessageContentDivs[numericID][no].style.display=='block'){
				messageWindowContent = MessageContentDivs[numericID][no];
				break;
			}
		}
		messageWindowStatusDiv = false;
		messageWindowTabDiv = false;
		var divs = messageWindow.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='messageWindow_statusBar')messageWindowStatusDiv = divs[no];
			if(divs[no].className=='messageWindow_topRow')messageWindowTabDiv = divs[no];
			if(divs[no].className=='messageWindow_moveBar')messageWindowMoveBar = divs[no];
		}
		
		messageSet_Cookie('message_window_zIndex' + numericID,currentMessageZIndex,100);
		currentMessageZIndex++;
	}
	
	function initMessageWindowWithTabs(windowID,tabs,windowHeight,windowWidth,leftPos,topPos,noScrollbars,noResize,noStatusBar,noCloseButton)
	{
		MessageContentDivs[MessageCountWindows] = new Array();
		var el = document.getElementById(windowID);
		el.id = 'dhtmlgoodies_message_window' + MessageCountWindows;
		el.className = 'dhtmlgoodies_messageWindow';
		//el.onclick = bringMessageWindowToFront;
		var messageCookieValue = messageGet_Cookie(el.id) + '';
		if(messageCookieValue.length>0 && messageCookieValue!='null'){
			var MessageCookieItems = messageCookieValue.split('_');			
			leftPos = MessageCookieItems[0];
			topPos = MessageCookieItems[1];
		}	
		
		/*el.style.left = leftPos + 'px';
		el.style.top = topPos + 'px';
		el.style.zIndex = currentMessageZIndex;*/
		var MessageContentDiv = el.getElementsByTagName('DIV')[0];
		MessageContentDivs[MessageCountWindows].push(MessageContentDiv);
		
		messageAddMovingBar(el);
		//if(tabs)addTabs(el,tabs,noCloseButton);else messageWindowMinimumWidth[el.id]	 = 40;
		
		var activeTabIndexCookie = messageGet_Cookie('message_window_activeTab' + MessageCountWindows);
		if(!activeTabIndexCookie)activeTabIndexCookie=0;	
		for(var no=0;no<MessageContentDivs[MessageCountWindows].length;no++){
			if(no==activeTabIndexCookie)MessageContentDivs[MessageCountWindows][no].style.display='block'; else MessageContentDivs[MessageCountWindows][no].style.display='none';
			el.appendChild(MessageContentDivs[MessageCountWindows][no]);
			if(windowHeight)MessageContentDivs[MessageCountWindows][no].style.height = (windowHeight - 46) + 'px';
			if(noScrollbars){
				//MessageContentDivs[MessageCountWindows][no].style.overflow='hidden';
			}
			if(navigator.userAgent.indexOf('Opera')>=0 && !noScrollbars){
				//MessageContentDivs[MessageCountWindows][no].style.overflow = 'auto';
			}
			
		}		
		if(!noStatusBar && !noResize)MessageCreateStatusBar(el,noResize);
		
		if(MessageCountWindows==0){
			document.body.onmousemove = messageWindowMove;
			document.body.onmouseup = messageWindowStopMove;
		}
		
		var cookieSize = messageGet_Cookie('message_window_size' + el.id.replace(/[^\d]/g,''));
		
		if(cookieSize){
			var sizeArray = cookieSize.split('_');
			messageInitSetSize(el,sizeArray[0],sizeArray[1]);			
		}else{
			var sizeArray = [windowWidth,windowHeight];	
			messageInitSetSize(el,sizeArray[0],sizeArray[1]);	
		}
		
		var cookieZIndex = messageGet_Cookie('message_window_zIndex' + el.id.replace(/[^\d]/g,''));
		if(cookieZIndex){
			el.style.zIndex = cookieZIndex;
			if(!messageWindowMaxZIndex)messageWindowMaxZIndex = 0;
			messageWindowMaxZIndex = Math.max(messageWindowMaxZIndex,cookieZIndex/1 + 1);
		}
		el.onselectstart = cancelMessageWindowEvent;
		MessageCountWindows++;
		currentMessageZIndex++;
	}