// cookies.js

/****** BEGIN SESSION COOKIE INFO ******/

//Get cookie routine by Shelley Powers 
function get_cookie(Name) {
	var search = Name + "=";
	var returnvalue = "";
	
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		// if cookie exists
		if (offset != -1) { 
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset);
			// set index of end of cookie value
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}

function adClicked(ad) {
	//set document cookie
	document.cookie="homepageAd=" + ad;
}

function checkAd() {
	var homeUnrounded = Math.random()*3;
	var randomImage = Math.round(homeUnrounded);
	
	if (get_cookie("homepageAd") != "") {
		//get value of homepageAd cookie & display appropriate ad
		switch (parseInt(get_cookie("homepageAd"))) {
			case 1:
					document.write("<img src=\"/images/marketing_block/di_070907.jpg\" border=\"0\" alt=\"Protect your most valuable asset, your ability to earn a living.\" usemap=\"#di\" width=\"700\" height=\"180\">");
					break;
			case 2:
					document.write("<img src=\"/images/marketing_block/gul_040207.jpg\" border=\"0\" alt=\"Guarantee their tomorrow, so you can focus on today\" usemap=\"#gul\" width=\"700\" height=\"180\">");
					break;
			case 3:
					document.write("<img src=\"/images/marketing_block/buyonline_121806.jpg\" border=\"0\" alt=\"Buying insurance online has never been easier.\" usemap=\"#dtc\" width=\"700\" height=\"180\">");
					break;
		}
	} else {
		//display ad at random
		if (randomImage == 1) {
			document.write("<img src=\"/images/marketing_block/di_070907.jpg\" border=\"0\" alt=\"Protect your most valuable asset, your ability to earn a living.\" usemap=\"#di\" width=\"700\" height=\"180\">");
		} else if (randomImage == 2) {
			document.write("<img src=\"/images/marketing_block/gul_040207.jpg\" border=\"0\" alt=\"Guarantee their tomorrow, so you can focus on today\" usemap=\"#gul\" width=\"700\" height=\"180\">");
		} else {
			document.write("<img src=\"/images/marketing_block/buyonline_121806.jpg\" border=\"0\" alt=\"Buying insurance online has never been easier.\" usemap=\"#dtc\" width=\"700\" height=\"180\">");
		}
	}
	
	//resets cookie to allow for random ad again
	document.cookie="homepageAd=";
}

/****** END SESSION COOKIE INFO ******/

window.onload = function() {
	 if (top != self) top.location.href = location.href;
}