function txtOnFocus (obj) {
	obj.style.backgroundImage = '';
}

function txtOnBlur (obj,image) {
	if (obj.value == '') {
    obj.style.backgroundImage = 'url(' + image.replace(' ', '%20') + ')';
		obj.style.backgroundRepeat = 'no-repeat';
		obj.style.backgroundPositon = 'left center';
	}
}