// JavaScript Document

/*
	This function replaces the images on a page in the right column
    
    input: newURL   (the location of the image to be replaced. The location is relative to the page) 
*/

function changeImage(newURL)
{
	if(newURL == "")
		return;
		
	document.getElementById('bigImage').src = newURL;
	document.getElementById('bigImage').style.visibility = 'visible';
	document.getElementById('lrgImageHolder').style.visibility = 'visible';
	
	setCaption(" ");
	document.getElementById('caption').style.visibility = 'hidden';
}


function setCaption(captionText)
{
	if(captionText == "")
	{
			document.getElementById('caption').style.visibility = 'hidden';
		return;
	}
	
	var width = document.getElementById('bigImage').width;		
		
	document.getElementById('caption').style.width = width;
	document.getElementById('caption').style.visibility = 'visible';
	document.getElementById('caption').innerHTML = captionText;
}


function hideMe()
{
	document.getElementById('bigImage').style.visibility = 'hidden';
	document.getElementById('caption').style.visibility = 'hidden';
}