/************************************************************************************************************
	(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.

	Updated:

	February, 22nd 2006 - Instead of skipping onclick events when slide is in progress, start sliding in the other direction if mouse is clicked the second time.
	April, 	23rd 2006 - Added support for having only one pane expanded simultaneously( mPanel_onlyOneExpandedPane)
	Thank you!

	www.dhtmlgoodies.com
	Alf Magne Kalleland

	************************************************************************************************************/

	/* Update LOG

	January, 28th - Fixed problem when double clicking on a pane(i.e. expanding and collapsing).

	*/
	var mPanel_slideActive = true;	// Slide down/up active?
	var mPanel_slideSpeed = 10;	// Speed of slide
	var mPanel_onlyOneExpandedPane = true;	// Only one pane expanded at a time ?

	var menuPane;
	var menu_paneIndex;

	var savedActivePane = false;
	var savedActiveSub = false;

	var mPanel_currentDirection = new Array();

	var cookieNames = new Array();


	var currentlyExpandedPane = false;

	/*
	These cookie functions are downloaded from
	http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
	*/
	function Get_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 Set_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 cancelXpWidgetEvent()
	{
		return false;

	}

	function showHidePaneContent(e,inputObj)
	{
		if(!inputObj)inputObj = this;

		var img = inputObj.getElementsByTagName('IMG')[0];
		var numericId = img.id.replace(/[^0-9]/g,'');
		var obj = document.getElementById('paneContent' + numericId);
		if(img.src.toLowerCase().indexOf('up')>=0){
			currentlyExpandedPane = false;
			img.src = img.src.replace('up','down');
			if(mPanel_slideActive){
				obj.style.display='block';
				mPanel_currentDirection[obj.id] = (mPanel_slideSpeed*-1);
				slidePane((mPanel_slideSpeed*-1), obj.id);
			}else{
				obj.style.display='none';
			}
//			if(cookieNames[numericId])Set_Cookie(cookieNames[numericId],'0',100000);
		}else{
			if(this){
				if(currentlyExpandedPane && mPanel_onlyOneExpandedPane)showHidePaneContent(false,currentlyExpandedPane);
				currentlyExpandedPane = this;
			}else{
				currentlyExpandedPane = false;
			}
			img.src = img.src.replace('down','up');
			if(mPanel_slideActive){
				if(document.all){
					obj.style.display='block';
					//obj.style.height = '1px';
				}
				mPanel_currentDirection[obj.id] = mPanel_slideSpeed;
				slidePane(mPanel_slideSpeed,obj.id);
			}else{
				obj.style.display='block';
				subDiv = obj.getElementsByTagName('DIV')[0];
				obj.style.height = subDiv.offsetHeight + 'px';
			}
//			if(cookieNames[numericId])Set_Cookie(cookieNames[numericId],'1',100000);
		}
		return true;
	}



	function slidePane(slideValue,id)
	{
		if(slideValue!=mPanel_currentDirection[id]){
			return false;
		}
		var activePane = document.getElementById(id);
		if(activePane==savedActivePane){
			var subDiv = savedActiveSub;
		}else{
			var subDiv = activePane.getElementsByTagName('DIV')[0];
		}
		savedActivePane = activePane;
		savedActiveSub = subDiv;

		var height = activePane.offsetHeight;
		var innerHeight = subDiv.offsetHeight;
		height+=slideValue;
		if(height<0)height=0;
		if(height>innerHeight)height = innerHeight;

//		if(document.all){
//			activePane.style.filter = 'alpha(opacity=' + Math.round((height / subDiv.offsetHeight)*100) + ')';
//		}else{
//			var opacity = (height / subDiv.offsetHeight);
//			if(opacity==0)opacity=0.01;
//			if(opacity==1)opacity = 0.99;
//			activePane.style.opacity = opacity;
//		}


		if(slideValue<0){
			activePane.style.height = height + 'px';
			subDiv.style.top = height - subDiv.offsetHeight + 'px';
			if(height>0){
				setTimeout('slidePane(' + slideValue + ',"' + id + '")',10);
			}else{
				if(document.all)activePane.style.display='none';
			}
		}else{
			subDiv.style.top = height - subDiv.offsetHeight + 'px';
			activePane.style.height = height + 'px';
			if(height<innerHeight){
				setTimeout('slidePane(' + slideValue + ',"' + id + '")',10);
			}
		}




	}

	function mouseoverTopbar()
	{
		var img = this.getElementsByTagName('IMG')[0];
		var src = img.src;
		img.src = img.src.replace('.gif','_over.gif');

		var span = this.getElementsByTagName('SPAN')[0];
//		span.style.color='#000000';
		span.style.textDecorationUnderline = true;
		span.style.textDecoration = 'underline';

	}
	function mouseoutTopbar()
	{
		var img = this.getElementsByTagName('IMG')[0];
		var src = img.src;
		img.src = img.src.replace('_over.gif','.gif');

		var span = this.getElementsByTagName('SPAN')[0];
//		span.style.color='';
		span.style.textDecorationUnderline = false;
		span.style.textDecoration = 'none';

	}


	function init_Menu_Pane(paneName,panelTitles,panelDisplayed,cookieArray)
	{
		menuPane = document.getElementById(paneName);
		var divs = menuPane.getElementsByTagName('DIV');
		menu_paneIndex=0;
//		cookieNames = cookieArray;
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='m_panel'){

				var outerContentDiv = document.createElement('DIV');
				var contentDiv = divs[no].getElementsByTagName('DIV')[0];
				outerContentDiv.appendChild(contentDiv);

				outerContentDiv.id = 'paneContent' + menu_paneIndex;
				outerContentDiv.className = 'panelContent';
				var topBar = document.createElement('DIV');
				topBar.onselectstart = cancelXpWidgetEvent;
				var span = document.createElement('SPAN');
				span.innerHTML = panelTitles[menu_paneIndex];
				topBar.appendChild(span);
				topBar.onclick = showHidePaneContent;
				if(document.all)topBar.ondblclick = showHidePaneContent;
				topBar.onmouseover = mouseoverTopbar;
				topBar.onmouseout = mouseoutTopbar;
				topBar.style.position = 'relative';

				var img = document.createElement('IMG');
				img.id = 'showHideButton' + menu_paneIndex;
				img.src = '/images/arrow_up.gif';
				topBar.appendChild(img);

//				if(cookieArray[menu_paneIndex]){
//					cookieValue = Get_Cookie(cookieArray[menu_paneIndex]);
//					if(cookieValue)panelDisplayed[menu_paneIndex] = cookieValue==1?true:false;

//				}

				if(!panelDisplayed[menu_paneIndex]){
					outerContentDiv.style.height = '0px';
					contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px';
					if(document.all)outerContentDiv.style.display='none';
					img.src = '/images/arrow_down.gif';
				} else {
					currentlyExpandedPane = divs[no];
				}

				topBar.className='topBar';
				divs[no].appendChild(topBar);
				divs[no].appendChild(outerContentDiv);
				menu_paneIndex++;
			}
		}
	}