function set_cookie(name, value)
{
	// setting cookie data
	var exp_date = new Date();
	exp_date.setDate(exp_date.getDate() + 60);
	
	document.cookie = name + '=' + escape(value) + ';expires=' + exp_date.toGMTString();
}

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

function check_language()
{
	// checking whether language has been chosen before
	var language = get_cookie('language');
	if(language != null)
	{
		switch(language)
		{
			case 'nl':
				this.location.href = 'http://www.emergencytraining.be/nl/welkom.html';
				break;
			case 'fr':
				this.location.href = 'http://www.emergencytraining.be/fr/bienvenue.html';
				break;
		}
	}
}