function checkboxDate(chk){
	//alert("test");
	if(chk.checked != true){
		//nieaktywne
		var inputdata1 = document.getElementById("d1");
		var inputdata2 = document.getElementById("d2");
		inputdata1.disabled = true;
		inputdata2.disabled = true;
	}
	else{
		//aktywne
		var inputdata1 = document.getElementById("d1");
		var inputdata2 = document.getElementById("d2");
		inputdata1.disabled = false;
		inputdata2.disabled = false;
	}
	return true;
}

function rewritePodmiot(valuetxt,field){
			var txt = valuetxt.options[valuetxt.selectedIndex].text;
			//alert(txt+' '+field.value);
			//var fieldid = document.getElementsByName(field);

			field.value = txt;

			return true;
}