function toggleSubmit(vForm) {
	if (
		   vForm.cb_newsletter.checked == true
		&& vForm.nl_name.value.length > 0
		&& vForm.nl_email.value.length > 0
	)
	{
		vForm.button_submit_nl.disabled = false;
	}
	else {
		vForm.button_submit_nl.disabled = true;
	}
}

function selectCategory(vCategoryname) {
	
	vActiveCategory = vCategoryname;
}

function bildertausch(bildname,nummer) {
	document.getElementById("img_"+bildname).src = "img/amigurumis/"+bildname+"_"+nummer+".jpg";
}

function bildwechsel(bildid,dateiname) {
	document.getElementById(bildid).src = "img/"+dateiname;
}