function clearText(field){

    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;

}



$(function() {
$('#buttonPicker, #buttonPicker2').datepick({showOnFocus: false, 
    showTrigger: '<div class="btn-poz"><button type="button" class="trigger" >' + 
    '<img src="/calendar.gif" class="pic-date" ></button></div>'});
});

function showDate(date) {
	alert('The date chosen is ' + date);
}