function matpo_filter () { 
	
	Feld1 = document.upload_bild.check_filter; 
	Feld2 = document.upload_bild.filter; 
	if (Feld1.checked == true)
	{
		Feld2.disabled=false;
	}
	else
	{
		Feld2.disabled=true;
document.getElementById('effect_color').style.display = 'none';
document.getElementById('effect_size').style.display = 'none';
	}
}

function filtering() {
effect = document.getElementById('filter');
if ( effect.options[effect.selectedIndex].value == 'rahmi' )
{
document.getElementById('effect_color').style.display = 'block';
document.getElementById('effect_size').style.display = 'block';
} else {
document.getElementById('effect_color').style.display = 'none';
document.getElementById('effect_size').style.display = 'none';
}
}