$(document).ready(function(){
  	$("a.external").attr("target","_blank");
	$("a#adminlink").click(function(){$("div#adminpanel").toggle();});
	$("select.liaison_multi_select").change(function(){
         total = $(this).children(":selected").length;
		 if(total > 3){
			alert("Only 3 categories allowed");
			$(this).children(":selected").attr({selected: ""});
		 }
	});
});