function showPicture(url, width, height){
	if(url!='/apictures/kangas/'){
		document.getElementById('imageid').src = url;
		document.getElementById('imageid').style.display = 'block';
	}
}
function hidePicture(){
	document.getElementById('imageid').style.display = 'none';
}

function checkData(errormessage){
	var problem=0;
	if(document.getElementById('viimistlus_select_tag_value') && document.getElementById('viimistlusdata').style.display!='none'){
		var viimistlus=document.getElementById('viimistlus_select_tag_value').value;
		if (viimistlus==0 || !viimistlus){
			problem=1;
		}
	}
	if(document.getElementById('kangas_select_tag_value') && document.getElementById('kangasdata').style.display!='none'){
		var kangas=document.getElementById('kangas_select_tag_value').value;
		if(document.getElementById('color_picker_select_tag_value')){
			var varv=document.getElementById('color_picker_select_tag_value').value;
		}
		if(kangas!=0 && kangas){
			if (varv=0 || !varv){
				problem=1;
			}
		}
	}

	if(problem==0){
		document.forms['add_to_cart'].submit();
	} else {
		alert(errormessage);
	}
}