// Javascript the returns a random image url 
// to display from those in the thumbnail directive
// Code is not very reusable and is specific to the site
// Author: Sam Henwood 06/08/06

var numImages;
var randomNumber;
var myImageNumbers = new Array();

function getImageString()
{
	randomNumber = (Math.floor(Math.random()*21));
	for(i=0; i<myImageNumbers.length; i++)
	{

	    while(myImageNumbers[i]==randomNumber)
	    {
	        randomNumber = (Math.floor(Math.random()*21));
	    }
	}
	myImageNumbers[myImageNumbers.length] = randomNumber;
	document.write('<a href="/images/full/cend-'+randomNumber+'.JPG" class="menulink" rel="lightbox"><img src="/images/thumbs/cend-'+randomNumber+'.JPG" width="143" height="107" alt="Random image of the house"/></a>')
}