function getReferrerString() {
		var ref = document.referrer;
	
		if( ref ) {
			if( ref.indexOf('?') !== -1 ) {
				ref = ref.split('?')[0];
			}
		}

		return encodeURIComponent(ref);
	}

	function parseQuery(qstr)
	{
  		var query	= {};
  		var a 		= qstr.split('&');
  
  		for (var i = 0, l = a.length; i < l; i++)
  		{
    		var b = a[i].split('=');
    		query[decodeURIComponent(b[0])] = decodeURIComponent(b[1]);
  		}

		return query;
	}

	function getQueryVariable(qs, overrideQs)
	{
	    var map1	= parseQuery(qs);
	    var map2	= parseQuery(overrideQs);
	    var finalQs	= "";

	    for (var key in map2)
	    {
	    	map1[key] = map2[key];
	    }

	    for (var key in map1)
	    {
	    	if (finalQs === "")
	    	{
	    		finalQs = key + "=" + map1[key];
	    	}
	    	else
	    	{
		    	finalQs = finalQs + "&" + encodeURIComponent(key) + "=" + encodeURIComponent(map1[key]);
		    }
	    }

	    return finalQs;
	}
	
	function rxiframeGetUrlParameter(sParam)
	{
		var sPageURL 		= window.location.search.substring(1);
		var sURLVariables	= sPageURL.split('&');
	
		for (var i = 0; i < sURLVariables.length; i++)
		{
			var sParameterName = sURLVariables[i].split('=');
			if (sParameterName[0] == sParam)
			{
				return sParameterName[1];
			}
		}
	}

	function makeFrame()
	{
		var divh		= document.getElementById('coupon').style.height;
		var divw		= document.getElementById('coupon').style.width;
		var append		= "true";
		var fluid		= rxiframeGetUrlParameter("fluid");
		var pageLevel	= rxiframeGetUrlParameter("iframePageLevel");
		var addQs		= "";
		var mergedQs	= "parent=coupon&rtxuseqs=true&channel=brand&merchantId=58407384&affiliateId=60413165&programId=60435889";
		var referrer = getReferrerString(); 

		if( referrer ) {
			mergedQs += "&rtxorigin=" + referrer;
		}
		
		if (fluid == "true")
		{
			divw = "100%";
		}
		
		// ========================================================================
		// a little weird logic here.  We want the outer parameter to rule.  So, if
		// we have one locally we want to check if the one we got globally is null
		// aka undefined.  if so we'll swap it
		// ========================================================================
		
		
		
		if (pageLevel == undefined)
		{
			pageLevel = "";
		}
		
		if (append === "true")
		{
			addQs = window.parent.location.search.substring(1);
			
			if ((addQs != undefined) && (addQs != ""))
			{
				var qs1 = "parent=coupon&rtxuseqs=true&channel=brand&merchantId=58407384&affiliateId=60413165&programId=60435889";
				mergedQs = getQueryVariable(qs1, addQs);
			}
		}
		
		ifrm = document.createElement("IFRAME");
		
		if (window.location.href.indexOf("https") != -1)
		{
			ifrm.setAttribute("src", "https://secureimg.revtrax.com/RevTrax/cpn" + pageLevel + "?" + mergedQs);
		}
		else
		{
			ifrm.setAttribute("src", "http://images.revtrax.com/RevTrax/cpn" + pageLevel + "?" + mergedQs);
		}
			
		ifrm.style.width = divw;
		ifrm.style.height = divh;
		ifrm.setAttribute("scrolling", "no");
		ifrm.setAttribute("marginWidth", "0");
		ifrm.setAttribute("marginHeight", "0");
		ifrm.setAttribute("hspace", "0");
		ifrm.setAttribute("vspace", "0");
		ifrm.setAttribute("frameBorder", "0");
		ifrm.setAttribute("allowtransparency", "true"); 
		document.getElementById("coupon").appendChild(ifrm);
	}