/*
Author: RK
Created: 2009-Jul-22
Modified: 2009-Nov-26
Modified By: Omair Al Hamid

Code modified from sources:
http://www.pat-burt.com/web-development/how-to-do-a-css-popup-without-opening-a-new-window/
http://www.w3schools.com/JS/js_cookies.asp
*/

function setCookie(c_name,value,expiredays) {
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString())+
	";domain=canadianinteriors.com"+";path=/;";

	//#5045: cookie needs to be set to a centralized path to avoid showing popup again
	//in subdirectories
	//#5045: manually set domain name for cookie, to avoid www vs non-www problem
}

function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) {
			c_start = c_start + (c_name.length + 1);
			c_end = document.cookie.indexOf(";", c_start);
			
			if (c_end == -1) {
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function visitorHasSeenPopup() {
	hasBeenSeen=getCookie('c5045');
	if (hasBeenSeen == 'true') {
		return true;
	} else {
		return false;
	}
}

function neverShowPopupAgain() {
	setCookie('c5045','true',365);
}

function markPopupAsSeen() {
	setCookie('c5045','true',30);
}

function toggle(div_id) {
    var el = document.getElementById(div_id);
    if (el.style.display == 'none' && !visitorHasSeenPopup()) 
    {el.style.display = 'block';el.focus();}
	else {el.style.display = 'none';}
}

function window_pos(popUpDivVar)
{
	var popUpDiv = document.getElementById(popUpDivVar);
	var superContainer = document.getElementById("super_container");
	var blanket = document.getElementById("blanket");

	window_width = document.documentElement.clientWidth;
	window_height = document.documentElement.clientHeight;

	blanket.style.height = superContainer.offsetHeight + 200 + "px";

	var browser = navigator.appName;
	if (browser.indexOf("Opera") != -1) { blanket.style.height = superContainer.offsetHeight + 220 + "px"; }

	//Since fixed position wasn't working in IE, we won't use it for IE 6.0. Style is already defined as absolute in SS
	var b_version = navigator.appVersion;
	if (b_version.indexOf("MSIE 6") == -1) { popUpDiv.style.position = "fixed"; } else { blanket.style.width = window_width + "px"; }

	window_width = (window_width / 2) - (popUpDiv.offsetWidth / 2); //Centers the popup
	window_height = (window_height / 2) - (popUpDiv.offsetHeight / 2); //Centers the popup
	
	if (location.href.indexOf('/ads/') != -1) {
	    popUpDiv.style.left = window_width - 75 + 'px';
	    popUpDiv.style.top = window_height + 'px';
	}
	else {
	    popUpDiv.style.left = window_width + 'px';
	    popUpDiv.style.top = window_height + 'px'
	}
}

function popup(windowname) {
	toggle('blanket');
	toggle(windowname);
	window_pos(windowname);
}