Timebuddy Shortcode for Wordpress multisite

timebuddy-sc.php

/* ----- shortcode to time buddy widget -------- */
add_shortcode("timebuddy", "do_timebuddy");  

function do_timebuddy ( $atts ) {  

	// generate a Timebuddy widget because WP strips script tags
 	extract( shortcode_atts( array( "params" => ""), $atts ) );  
 	
 	if ( empty( $params ) ) {
 		return "Missing parameter! set <code>params=\"xxxxx\" from the Timebuddy generated embed code for <code>src=\"</code> e.g. <code>params=\"h=2643743&md=2/24/2017&mt=19.50&ml=1.00&sts=0&sln=0&wt=ew-ltc\"</code> after the \"?\"";
 	} else {
 	
 		return '<p><span class="wtb-ew-v1" style="width: 560px; display:inline-block"><script src="http://www.worldtimebuddy.com/event_widget.js?' . $params . '"></script><i><a target="_blank" href="http://www.worldtimebuddy.com/">Time converter</a> at worldtimebuddy.com</i><noscript><a href="http://www.worldtimebuddy.com/">Time converter</a> at worldtimebuddy.com</noscript><script>window[wtb_event_widgets.pop()].init()</script></span></p>';
	
	}

}