var expanded = false;
function expandArtists()
{
	if(!expanded)
	{
		expanded = true;
		document.getElementById('menu_footer').style.backgroundPosition='bottom right';
		document.getElementById('menu_artists').style.display='block';
	}
	else
	{
		expanded = false;
		document.getElementById('menu_footer').style.backgroundPosition='bottom left';
		document.getElementById('menu_artists').style.display='none';
	}
}
function checkLength(field, maxlimit) {
	if (field.value.length > maxlimit){
		field.value = field.value.substring(0, maxlimit);
	}
}