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_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_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];}}
}

loopMe 		= null;
rotating 	= false;

//Slideshow Material
//************************************************//
function beginRotation()
{				
	loopMe = setTimeout('homeRotation()',4000);	
}

function homeRotation()
{
	clearTimeout(loopMe);

	current  = 0;
	arrGroup = $A($$('#HomeHeader .homeGroup'));
	//arrPage  = $A($$('#HomeHeader .homePage'));
	//get the current group
	arrGroup.each(function(item,index)
	{
		if(item.style.display == 'block')
		{
			current = index;
		}
	});
	
	//check the number of groups we have...
	count = arrGroup.length;
	
	//get the next group to show
	if(current < count-1)
	{
		next = current + 1;
	} else
	{
		next = 0;
	}
	
	arrGroup = $A($$('#HomeHeader .homeGroup'))
	objCurrent 	= arrGroup[current];
	objNext 	= arrGroup[next];
	
	new Effect.Parallel([
		new Effect.Fade(objCurrent,{}),
		new Effect.Appear(objNext,
		{
			beforeStart:function()
			{
				rotating = true;
				//arrPage[current].removeClassName('down');
			},
			afterFinish:function()
			{
				rotating = false;
				objCurrent.style.display='none'
				objNext.style.display='block'
				//arrPage[next].addClassName('down');					
				loopMe = setTimeout('homeRotation()',5000);
			}
		})
	]);
}