// initialisation

var preLoadBox = new Array();
var summaries = new Array();
var dates  = new Array();

for (i = 0; i < 3; i++) {
	preLoadBox[i] = new Image();
		var img_id = "img" + i;
		var img = document.getElementById(img_id);
			preLoadBox[i].src = img.src;
		var sum_id = "sum" + i;
		var summary = document.getElementById(sum_id);
			summaries[i] = summary.innerHTML;
		var date_id = "date" + i;
		var date = document.getElementById(date_id);
			dates[i] = date.innerHTML;
}

var current_article = 0;
var urlHref = "http://www.camra.org.uk/page.aspx?o=whatsnew" + 0;

headline_hover_over(0);

// functions

function set_image()
{	
	var img_td = document.getElementById("image_td");
		img_td.style.background = "#FFFFFF url(" + preLoadBox[current_article].src +") center no-repeat";
}

function set_date()
{	
	var date_div = document.getElementById("dates");
		date_div.innerHTML = dates[current_article];
}

function set_summary()
{	
	var sum_div = document.getElementById("summaries");
		sum_div.innerHTML = summaries[current_article];
}

function set_url()
{
	var article_id = current_article + 1;
	urlHref = "http://www.camra.org.uk/page.aspx?o=whatsnew" + article_id;
}

function image_hover_over()
{
	var img_td = document.getElementById("image_td");
		img_td.style.cursor = "pointer";
}

function headline_hover_over(headline_id)
{	
	var hlId = "hl" + current_article;
	var hl = document.getElementById(hlId);
		hl.style.color = "#000000";
		hl.style.fontWeight = "normal";
	
	current_article = headline_id;
	
	var hlId = "hl" + current_article;
	var hl = document.getElementById(hlId);
		hl.style.cursor = "pointer";
		hl.style.color = "#B01213";
		hl.style.fontWeight = "bold";
	
	set_image();
	set_date();
	set_summary();
	set_url();
}

function article_click()
{
	top.window.location = urlHref;
}