<!--

var imageName = "bg-mall"; //default imageName
var imageNames=new Array(6)
     imageNames[0]="bg-mall";
     imageNames[1]="bg-mall";
     imageNames[2]="bg-books";
     imageNames[3]="bg-escalator";
     imageNames[4]="bg-caltrain";
     imageNames[5]="bg-coaster";

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" + 
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
    date.setTime(date.getTime() - skew);
}

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

// get_random() - returns specified random number
function getRandom()
{
    var ranNum= Math.round(Math.random()*5);
    return ranNum;
}

// rotateImage() - randomly generated background image that expires after one hour
function rotateImage() {
	imageName = imageNames[getCookie("jeremieroux")];
	return imageName;
}

function rotateBG() {
	//var ExpireDate = new Date ();
	//ExpireDate.setTime(ExpireDate.getTime() + (.041 * 24 * 3600 * 1000));
	if( getCookie("jeremieroux") == null ){
		setCookie("jeremieroux",getRandom());
	}
	if( (getCookie("jeremieroux") == 0) || (getCookie("jeremieroux") == 1) ) {
		imageBG = "#3B3B3B";
	}
	else
		imageBG = "#000000";
		
	return imageBG;
}


function rotateBG_blk() {
	//var ExpireDate = new Date ();
	//ExpireDate.setTime(ExpireDate.getTime() + (.041 * 24 * 3600 * 1000));
	if( getCookie("jeremieroux") == null ){
		setCookie("jeremieroux",getRandom());
	}
	imageBG = "#000000";
		
	return imageBG;
}

// -->
