function openPopup(url)
{
	if(getCookie('popup') == '1')
	{
		return false;
	}
	
	document.getElementById("div_layer_popup_bg").style.display = "block";
	document.getElementById("div_layer_popup_fg").style.display = "block";
	document.getElementById("iframe_popup").src = url;
	document.body.style.overflow = "hidden";
}

function closePopup()
{
	document.getElementById("div_layer_popup_bg").style.display = "none";
	document.getElementById("div_layer_popup_fg").style.display = "none";
	document.getElementById("iframe_popup").src = "about:blank";
	document.body.style.overflow = "auto";
	
	setCookie('popup', '1');
}

function getCookie(name)
{
	var cookie_array = document.cookie.split("; ");
	 
    for (var x = 0; x < cookie_array.length; x++) 
    { 
        cookieParts_array = cookie_array[x].split("=");
         
        if (cookieParts_array[0] == name) 
        { 
            return cookieParts_array[1]; 
        }
    } 
	return null; 
}

function setCookie(name, value)
{
	var expdate = new Date(); 
	//expdate.setTime(expdate.getTime() + 2*24*60*60*1000); 
	//document.cookie = name + "=" + value + "; expires=" + expdate.toGMTString() + "; path=/";
	document.cookie = name + "=" + value + "; path=/";
}

function removeCookie(name) 
{
	if (getCookie(name)) 
	{
		setCookie(name, null);
		document.cookie = name + "=" + ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}