function setCookie( name, value ) {
	document.cookie = name + '=' + value + ';path=/;';
}

function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) {
		return null;
	}
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) {
		end = document.cookie.length;
	}
	return unescape( document.cookie.substring( len, end ) );
}

function checkCurrencyCookie() {
	var currencyToUse = getCookie( 'currencyViewing' );
	if ( ( typeof currencyToUse != 'undefined' ) && ( currencyToUse != null ) && ( currencyToUse != 'pounds' ) && ( currencyToUse != '' ) ) {
		changeCurrency( currencyToUse );
	}
}