Simple jQuery plugin to set sample content on text inputs and automatically clean it on focus

buscDef.js

/**
 * A simple jQuery plugin to set sample content on text inputs
 * and automatically clean it on focus
 * @author Basilio Cáceres <[email protected]>
 * @author Felipe Lavín <[email protected]>
 */
jQuery.fn.buscDef = function() {
	var orVal = jQuery(this).val();
	if ( jQuery.trim(orVal) != '' ) {
		jQuery(this).data( 'defVal', orVal )
	} else {
		jQuery(this).data( 'defVal', 'Buscar' )
	}
	jQuery(this).blur(function() {
			if ( jQuery(this).val() == '' ) {
			jQuery(this).val( jQuery(this).data('defVal') )
			}
		}).focus(function() {
			jQuery(this).select();
			if ( jQuery(this).val() == jQuery(this).data('defVal') ) {
				jQuery(this).val('');
			}
		});
}