//wprowadzanie daty
function dataCheck(eventObj, obj)
{
	var keyCode

	// Check For Browser Type
	if (document.all){ 
		keyCode=eventObj.keyCode
	}
	else{
		keyCode=eventObj.which
	}

	var str=obj.value

	if(keyCode<48 || keyCode >58){ // Allow only integers
		return false
	}

	return true
}