function scrollbarEvent (o, type)
{
	if (type == "mousedown") {
		if (o.className == "Scrollbar-Track") o.style.backgroundColor = "#bab493";
		else o.style.backgroundColor = "#bab493";
	} else {
		if (o.className == "Scrollbar-Track") o.style.backgroundColor = "#c7c4a4";
		else o.style.backgroundColor = "#bab493";
	}
}



function do_menu_setup()
{
    var menu_timeout;
    var menu_on = false;
    var menu_fade_dur = 1000;

    var fade = function() {
        new Effect.Opacity( "nav_menu", { duration: .5, from: 0.8, to: 0.0 } );
        if ( BrowserDetect.browser == "Explorer") // Stupid IE
            really_hide();
        menu_on = false;
    }
    
    var unfade = function() {
        $("nav_menu").style.visibility = "visible";
        $("nav_links").style.visibility = "visible";
        new Effect.Opacity( "nav_menu", { duration: .5, from: 0.0, to: 0.8 } );
        menu_on = true;
    } 
     
    var hide = function() {
        if (!menu_on)
            return false;
        menu_timeout = setTimeout( fade, menu_fade_dur );
    }
    
    // We need to "really hide" the menu bar after it fades because
    // it blocks the middle text even when invisible (opacity=0).
    var really_hide = function() {
        $("nav_menu").style.visibility = "hidden";
        $("nav_links").style.visibility = "hidden";  
    }
    
    var show = function() {
        clearTimeout(menu_timeout); 
        if ( menu_on )
            return false;   
        unfade();   
    }
     
    $('nav_menu').onmouseout = hide;
    $('menu_link').onmouseout = hide;
    $('nav_menu').onmouseover = function () {
        // This is a timing hack to delay hiding the menu bar.
        // Trying to hide it immediately messes with the fade out.
        if (!menu_on) {
            really_hide();
            return false;
        }
        show(); 
    };
    $('menu_link').onmouseover = show;
    
    // Clicking a link ('A' tag) will hide the menu so
    // when you hit the back button the menu isn't hanging around.
    $$('a').each( function(current_link) { current_link.onclick = really_hide } );       
}


function ChangeImage(ImageName, NewImage, Directory)
   {
      if (document.images)
          {
             if (String (Directory) != "undefined")
             document[ImageName].src = Directory + "/" + NewImage;
             else
             document[ImageName].src = "images/" + NewImage;
           }               
    }

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""; 
            var imgClass = (img.className) ? "class='" + img.className + "' " : "";
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
            var imgStyle = "display:inline-block;" + img.style.cssText;
            
            if (img.align == "left")
                imgStyle = "float:left;" + imgStyle;
                
            if (img.align == "right")
                imgStyle = "float:right;" + imgStyle;
                
            if (img.parentElement.href)
                imgStyle = "cursor:hand;" + imgStyle;
                
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
            img.outerHTML = strNewHTML;
            i = i-1;
         }
      }
   }    
}

/**
 *  author:		Timothy Groves - http://www.brandspankingnew.net
 *	version:	1.3 - 2006-11-02
 *				1.2 - 2006-11-01
 *				1.1 - 2006-09-29
 *				1.0 - 2006-09-25
 *
 *	requires:	nothing
 *
 */

var useBSNns;

if (useBSNns)
{
	if (typeof(bsn) == "undefined")
		bsn = {}
	var _bsn = bsn;
}
else
{
	var _bsn = this;
}





_bsn.Crossfader = function (divs, fadetime, delay )
{	
	this.nAct = -1;
	this.aDivs = divs;
	
	for (var i=0;i<divs.length;i++)
	{
		document.getElementById(divs[i]).style.opacity = 0;
		document.getElementById(divs[i]).style.position = "absolute";
		document.getElementById(divs[i]).style.filter = "alpha(opacity=0)";
		document.getElementById(divs[i]).style.visibility = "hidden";
	}
	
	this.nDur = fadetime;
	this.nDelay = delay;
		
	this._newfade();
}


_bsn.Crossfader.prototype._newfade = function()
{
	if (this.nID1)
		clearInterval(this.nID1);
	
	this.nOldAct = this.nAct;
	this.nAct++;
	if (!this.aDivs[this.nAct])	this.nAct = 0;
	
	if (this.nAct == this.nOldAct)
		return false;
	
	document.getElementById( this.aDivs[this.nAct] ).style.visibility = "visible";
	
	this.nInt = 50;
	this.nTime = 0;
	
	var p=this;
	this.nID2 = setInterval(function() { p._fade() }, this.nInt);
}


_bsn.Crossfader.prototype._fade = function()
{
	this.nTime += this.nInt;
	
	var ieop = Math.round( this._easeInOut(this.nTime, 0, 1, this.nDur) * 100 );
	var op = ieop / 100;
	document.getElementById( this.aDivs[this.nAct] ).style.opacity = op;
	document.getElementById( this.aDivs[this.nAct] ).style.filter = "alpha(opacity="+ieop+")";
	
	if (this.nOldAct > -1)
	{
		document.getElementById( this.aDivs[this.nOldAct] ).style.opacity = 1 - op;
		document.getElementById( this.aDivs[this.nOldAct] ).style.filter = "alpha(opacity="+(100 - ieop)+")";
	}
	
	if (this.nTime == this.nDur)
	{
		clearInterval( this.nID2 );
		
		if (this.nOldAct > -1)
			document.getElementById( this.aDivs[this.nOldAct] ).style.visibility = "hidden";	
		
		var p=this;
		this.nID1 = setInterval(function() { p._newfade() }, this.nDelay);
	}
}



_bsn.Crossfader.prototype._easeInOut = function(t,b,c,d)
{
	return c/2 * (1 - Math.cos(Math.PI*t/d)) + b;
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};


		
var scroller  = null;
var scrollbar = null;

Event.observe( window, 'load', function() {

    BrowserDetect.init();
    correctPNG();
    scroller  = new jsScroller( $("News"), 400, 0 );
    scrollbar = new jsScrollbar ( $("Scrollbar-Container"), scroller, true, scrollbarEvent );
    do_menu_setup();
});

		function HideContent(d) {
		if(d.length < 1) { return; }
		document.getElementById(d).style.display = "none";
		}
		function ShowContent(d) {
		if(d.length < 1) { return; }
		document.getElementById(d).style.display = "block";
		}
		function ReverseContentDisplay(d) {
		if(d.length < 1) { return; }
		if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
		else { document.getElementById(d).style.display = "none"; }
		}
		
function openWindow(url,w,h,tb,stb,l,mb,sb,rs,x,y){
var t=(document.layers)? ',screenX='+x+',screenY='+y: ',left='+x+',top='+y; //A LITTLE CROSS-BROWSER CODE FOR WINDOW POSITIONING
tb=(tb)?'yes':'no'; stb=(stb)?'yes':'no'; l=(l)?'yes':'no'; mb=(mb)?'yes':'no'; sb=(sb)?'yes':'no'; rs=(rs)?'yes':'no';
var x=window.open(url, 'newWin'+new Date().getTime(), 'scrollbars='+sb+',width='+w+',height='+h+',toolbar='+tb+',status='+stb+',menubar='+mb+',links='+l+',resizable='+rs+t);
x.focus();
}