document.onmouseup = mouseUp;
var myElm = null;
var old;
var newI;
var myimages;

function resize(img)
{
	img = document.getElementById(img);
	if(img.nodeValue == "height: 25%")
	{	img.setAttribute("style", "height: 100%");}
	if(img.getAttribute("style", "height: 100%"))
	{	img.setAttribute("style", "height: 25%");}
}

function dragme(mEvent)
{
	if(myElm)
	{
		myElm.style.position = 'absolute';
		myElm.style.left = (parseInt(mEvent.pageX) - 10) + 'px';
		myElm.style.top = (parseInt(mEvent.pageY) - 10) + 'px';
	}
}

function mouseDown(mEvent)
{
	if(mEvent.srcElement)
	{
		myElm = document.getElementById(mEvent.srcElement.id);
	}
	else if(mEvent.target)
	{
		myElm = document.getElementById(mEvent.target.id);
	}
}

function mouseUp(mEvent)
{
	myElm = null;
}

function redirect(newpage)
{
	window.location = newpage;
}

function slideshow()
{
	var imgs = document.getElementById("slideshow");
	myimages = new Array();
	old = 0;
	newI = 1;
	myimages[1] = "images/sky.jpg";
	myimages[2] = "images/riders.jpg";
	myimages[3] = "images/rings.jpg";
	myimages[4] = "images/barn.jpg";
	startslides(myimages, imgs);
}

function startslides(myimages, obj)
{
	old ++;
	newI ++;
	done = false;
	document.getElementById("img1").src = myimages[old];
	document.getElementById("img1").style.opacity = 1;
	document.getElementById("img2").src = myimages[newI];
	document.getElementById("img2").style.opacity = 0;
	window.setTimeout("fadeIn('"+myimages+"', '"+obj+"')",1000);
}

function fadeIn(myimages, obj)
{
	for(var count = 0; count < 10; count ++)
	{
		window.setTimeout("doFade('"+count+"')", 100);
	}
	startslides(myimages, obj);
}

function doFade(count)
{
	document.getElementById("img1").style.opacity = 1 - (count * .1);
	document.getElementById("img2").style.opacity = 0 + (count * .1);
}

function setOpacity(obj, opacity) 
{
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function lightsoff()
{
	document.getElementById("lightbox").style.visibility = "visible";
	document.getElementById("lightcontent").style.visibility = "visible";
}

function lightson()
{
	document.getElementById("lightbox").style.visibility = "hidden";
	document.getElementById("lightcontent").style.visibility = "hidden";
}

function educationshow()
{
	document.getElementById("education").style.visibility = "visible";
}

function educationhide()
{
	document.getElementById("education").style.visibility = "hidden";
}