// JavaScript Document

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function closeAllMenus() {

	MM_showHideLayers('menu1','','hide','menu2','','hide','menu3','','hide','menu4','','hide','menu5','','hide');

}

// Functions to do with scrolling content

// Initial value of 'left' for scrolling layer
currTop=0;

// Returns Object to use when setting CSS values by Javascript

function getObj(name)
{

  if (document.getElementById)
  {
   	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
  
}

// Initiate settings for scroll box
function setUpScroll()
{

	var innerObj = new getObj('scrollText');
	
	if (subsection == "")
		var outerObj = new getObj(section + 'ScrollArea');
	else
		var outerObj = new getObj(subsection + 'ScrollArea');

	outerHeight = outerObj.obj.offsetHeight;
	innerHeight = innerObj.obj.offsetHeight;
		
	hiddenHeight = outerObj.obj.offsetHeight-innerObj.obj.offsetHeight;
	
	if(hiddenHeight < 0)
	{
		var arrowsObj = new getObj('scrollArrowsWrap');
		arrowsObj.style.visibility="visible";
	}
	
}

// Moves the gallery layer forwards by 3px a time. Calls itself after a delay. Checks to stop movement at end of travel.
function BRW_scrollUp()
{
	var obj = new getObj('scrollText');
	
	currTop += 3;
	
	if(currTop > 0)
	{
		currTop = 0;
		obj.style.top= 0 + "px";
	}
	else
	{	
		obj.style.top=currTop + "px";
		timer1 = setTimeout("BRW_scrollUp()",30);
	}
}

// Called by mouseOut on more button. Stops scrolling of gallery layer
function BRW_stopUp()
{
	clearTimeout(timer1);
}

// Moves the gallery layer backwards by 3px a time. Calls itself after a delay. Checks to stop movement at end of travel.
function BRW_scrollDown()
{

	var obj = new getObj('scrollText');
	
	currTop -= 3;
	
	if(currTop < hiddenHeight)
	{
		currTop = hiddenHeight;
		obj.style.top= hiddenHeight + "px";
	}
	else
	{	
		obj.style.top=currTop + "px";
		timer1 = setTimeout("BRW_scrollDown()",30);
	}
}

// Called by mouseOut on more button. Stops scrolling of gallery layer
function BRW_stopDown()
{
	clearTimeout(timer1);
}