Placeholder Text with jQuery

This is for the constant contact widget:

jQuery(document).ready(function($){
	
	/* Put any theme-specific JS here... */
	$ccwidget = $( '.widget_sf_widget_constantcontact' );
	$ccwidget.find('label' ).css('display', 'none');
	$ccwidget.find('input[name="fnm"]' ).attr('placeholder', 'First Name');
	$ccwidget.find('input[name="lnm"]' ).attr('placeholder', 'Last Name');
	$ccwidget.find('input[name="eml"]' ).attr('placeholder', 'Email');
});