var impactAdArray = [
	{
		"src" : "/main/images/rotation/home_impact/fw_01.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.whiteboxweddings.com",
		"creditAlt" : "Visit Whitebox Weddings",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_02.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.jeffnewsom.com",
		"creditAlt" : "Visit Jeff Newsom Photography",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_03.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.whiteboxweddings.com",
		"creditAlt" : "Visit Whitebox Weddings",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_06.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.miltongil.com",
		"creditAlt" : "Visit Milton Gil Photography",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_07.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.miltongil.com",
		"creditAlt" : "Visit Milton Gil Photography",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_08.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.miltongil.com",
		"creditAlt" : "Visit Milton Gil Photography",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	},
	{
		"src" : "/main/images/rotation/home_impact/fw_09.jpg",
		"href" : "/apps/entry/entry.php?action=register&target=%2Fapps%2Fmysite%2F",
		"alt" : "Free Wedding Websites",
		"target" : "",
		"creditHref" : "http://www.kuperberg.com",
		"creditAlt" : "Visit Anna Kuperberg Photography",
		"creditTarget" : "_blank",
		"creditCoords" : ""
	}	
];

function showRandomImpact(parent) {
	var randIndex = Math.floor(Math.random() * 100) % impactAdArray.length;
	var rand = impactAdArray[randIndex];
	if (rand.creditCoords == "") {
		rand.creditCoords = "0,225,210,250";
	}
	
	var out = '<map name="impact-ad-map">';
	out += '<area shape="rect" coords="'+rand.creditCoords+'" href="'+rand.creditHref+'" alt="'+rand.creditAlt+'"';
	if (rand.creditTarget != "") {
		out += ' target="'+rand.creditTarget+'"';
	}
	out += ' />';
	out += '<area shape="rect" coords="0,350,210,375" href="'+rand.href+'" alt="'+rand.alt+'"';
	if (rand.target != "") {
		out += ' target="'+rand.target+'"';
	}
	out += ' />';
	out += '</map>';
	out += '<img src="'+rand.src+'" usemap="#impact-ad-map" />';
	
	parent.innerHTML = out;
}