// JavaScript Document

function blinking_header()
{
if (!document.getElementById('blink').style.color)
	{
	document.getElementById('blink').style.color="blue"
	}
if (document.getElementById('blink').style.color=="blue")
	{
	document.getElementById('blink').style.color="white"
	}
else
	{
	document.getElementById('blink').style.color="blue"
	}
timer=setTimeout("blinking_header()",1000)
}

function stoptimer()
{
clearTimeout(timer)
}
function change(image)
{
	document.getElementById('img').src="real_images/"+image
	document.getElementById('img').alt="Click on image to go back";
	document.getElementById('back_link').href="#"+image
}
function back()
{
	document.getElementById('img').src="real_images/fill.gif"
}