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 swapimage(id, nimg)
{
	var iobj = document.getElementById(id);
	iobj.src = nimg;
}

function prevphoto()
{
	if(photo_count == 1)
	{
		photo_count = 101;
	}
	else
	{
		photo_count = photo_count - 1;
	}
	document.getElementById('photo_holder').src = "/images/photos/"+ photo_count+ '.jpg';
}

function nextphoto()
{
	if(photo_count == 101)
	{
		photo_count = 1;
	}
	else
	{
		photo_count = photo_count + 1;
	}
	document.getElementById('photo_holder').src = "/images/photos/"+ photo_count+ '.jpg';
}