function get_cookie(cookie_name)
{
	var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
	if ( results )
		return ( unescape ( results[2] ) );
	else
		return null;
}

function set_cookie(name, value, min)
{
	var cookie_date = new Date ( );
	cookie_date.setTime ( cookie_date.getTime() - 1 );
	document.cookie = name + "=; expires=" + cookie_date.toGMTString();

	var cookie_string = name + "=" + escape ( value );
	var expires = new Date();
	expires.setTime(expires.getTime()+(min*60*1000));
	cookie_string += "; expires=" + expires.toGMTString();
	document.cookie = cookie_string;
}

(function($){
	window.POPUP = {};
	window.POPUP.init = function(lang) {
		$('body').append('<div id="popup-fade"></div>');

		var ibox = $('<div id="intro-box-'+lang+'"></div>');
		
		var $w = $(window);
		var l = ($w.width() - 650) / 2+$w.scrollLeft();
		var t = ($w.height() - 452) / 2+$w.scrollTop();
		ibox.css({top: t, left: l});
		
		var fbox = $('#popup-fade').css({'filter' : 'alpha(opacity=25)'}).fadeIn(function(){
			$('body').append(ibox);
			ibox.fadeIn();
		});
		
		ibox.click(function(){
			fbox.fadeOut(function(){
				ibox.remove();
				fbox.remove();
			});
		});
	}	
})(jQuery);