function createCookie(name, value, dateEnd)
 {
  	if (dateEnd) {
    	var expires = "; expires="+dateEnd.toString();
  	} else {
  		var expires = "";
  	}
  	document.cookie = name+"="+value+expires+"; path=/";
 }

 function eraseCookie(name)
 {
  	createCookie(name, "", -1);
 }
 
 function readCookie(name)
 {
  	var ca = document.cookie.split(';');
  	var nameEQ = name + "=";
  	for(var i=0; i < ca.length; i++) {
    	var c = ca[i];
    	while (c.charAt(0)==' ') {
    		c = c.substring(1, c.length); //delete spaces
   		}
    	if (c.indexOf(nameEQ) == 0) {
    		return c.substring(nameEQ.length, c.length);
	   	}
  	}
  	return null;
 }
  
 function showbanner(cookieName, cookieValue, endDate, redirectLocation, disabled) {
 	if (disabled == true){
 	 	//alert("disabled = true");
 	} else {
		//alert("disabled = false");
		
		if(readCookie(cookieName)== null){
			//alert(readCookie(cookieName));
			createCookie(cookieName,cookieValue,endDate);
			document.location.href = redirectLocation;
	 	} else {
	 	    //Do nothing
		 	//alert("2 " +readCookie(cookieName));
		 	eraseCookie(cookieName);
	 	}
 	}
 	
 }