var exitPage  = true;
var reExit    = false;
var offer     = '';

function setExitOfferLink(zipcode){
    if(zipcode.length==5){
        exitOfferLink   += '&zip=' + zipcode;
        offer += '<div id="offerDiv" style="display:none;background:none;border:none;margin:0 auto">';
        offer += '<iframe src="'+exitOfferLink+'" id="frame" name="frame" width="100%" height="3200px" scrolling="no" frameborder="0"></iframe></div>';
        $(document.body).append(offer);
    }else{
    }


}

    window.onbeforeunload = function() {
        if(exitPage==true){
            if(offer.length<30){
            	
            	try {
  					//Run some code here
					var ObjZipcode = window.frames['iframe'].document.getElementById('appData[zp]');
					 if(ObjZipcode.value.length==5){
        					exitOfferLink   += '&zip=' + ObjZipcode.value;
					 }		
				  }
				catch(err)
				  {
				  //Handle errors here
				  }

                offer += '<div id="offerDiv" style="display:none;background:none;border:none;margin:0 auto">';
                offer += '<iframe src="'+exitOfferLink+'" id="frame" name="frame" width="100%" height="3200px" scrolling="no" frameborder="0"></iframe></div>';
                $(document.body).append(offer);
            }
                return loadExitOffer();
        }
        else
            return;
    };

function loadExitOffer(){
    if(reExit)return;
    $(document.body).css({background  : '#fff',opacity : '1.0', margin : '0 auto', padding  : '0px' }).children().hide().end().find("#offerDiv").show();
   
    reExit  = true;
    return msgPrompt;
}