function switchmenu(){
	var option=['zbozi','vyrobce'];
	for(var i=0; i<option.length; i++){
		obj=document.getElementById(option[i]);
		obj.className=(obj.className=="visible")? "hidden" : "visible"; 
	}
}

function producer(){
	document.getElementById('producerForm').submit();
}


function zobrazSkryj(idecko){
el=document.getElementById(idecko).style; 
el.display=(el.display == 'block')?'none':'block';
}