// this script depends on jQuery (current version is 1.2.1) and jQuery.bgiframe 

//------------------- cookie functions -------------------
// 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 setoLabCookie(oLabUrl) {
	//write cookie no matter what
	//setCookie("oLabViewed", oLabUrl, new Date(2070,0,1,0,0,0,0,0));
	setCookie("oLabViewed", oLabUrl, (new Date((new Date()).getTime()+2592000000)),"/");

	//hide oLab layer
	jQuery('#surveyAd').fadeOut('slow');
}

function showoLab(oLabUrl, sMessage, iDelay) {
	if(getCookie("oLabViewed")!=oLabUrl) {
		if(typeof(iDelay)=='undefined') { iDelay = 1; }

		// build html
		soLabHtml = '';
		soLabHtml += '<div id="surveyAd" style="position:fixed; left:20%; top:35%; width:668px; height:350px; padding:5px; background-color:#FFFFFF; border:1px solid #324D90; display:none; z-index:1000;">';
		soLabHtml += '	<table border="0" width="100%" height="100%"><tr><td align="center" valign="middle">';
		soLabHtml += '	<a href="#" onclick="setoLabCookie(\''+oLabUrl+'\');"><img src="/bh_com/images/olFeedback.jpg" alt="Feedback Message" width="656" height="337" />	';
		//soLabHtml += '		'+sMessage;
		//soLabHtml += '		<strong>';
		//soLabHtml += '		<a href="#" onclick="setoLabCookie(\''+oLabUrl+'\');">Ok!</a></strong>';
		soLabHtml += '	</td></tr></table>';
		soLabHtml += '</div>';

		// insert it into the DOM
		jQuery('#oLabWrapper').append(soLabHtml);

		// fix "fixed" positioning for IE
		if(jQuery.browser.msie) { jQuery('#surveyAd').css('position', 'absolute'); }
		
		// fix flash overlapping for IE
		if(jQuery.fn.bgiframe) { jQuery('#surveyAd').bgiframe(); }

		// fix window mode on flash
		fixFlashWindowModeOnAll();
		
		// show it
		setTimeout("jQuery('#surveyAd').fadeIn('slow');", iDelay);
	}
}

function fixFlashWindowModeOnAll() {
	jQuery('object').each(function(){ fixFlashWindowMode(jQuery(this).get(0)); });
}
function fixFlashWindowMode(oElement) {
	jQuery(oElement).children('param [wmode]').attr('value', 'transparent');
	jQuery(oElement).children('embed').attr('wmode', 'transparent');
}