function reload() {	
	document.getElementById('z24_id_sprzedawcy').value = 7867;
	document.getElementById('submit').disabled = true;	
	if(	document.getElementById('z24_kwota_pre').value != "" ) {		
		var cena = document.getElementById('z24_kwota_pre').value.replace(",", ".") * 100;		
		document.getElementById('z24_kwota').value = cena;	
	}		
	
	if(			
		(document.getElementById('z24_id_sprzedawcy').value == "7867" )	&&
 		(document.getElementById('z24_nazwa').value != "") &&
 		(document.getElementById('z24_kwota').value != "")	&&
 		(document.getElementById('k24_nazwa').value != "")) {
			document.getElementById('submit').disabled = false;	
		}
	}
	
function disable_submit() {
	document.getElementById('submit').disabled = true;
}