// Script for checking/unchecking group of 
// checkboxes in discouns page after enabling/disabling
// "all categories" option

$(document).ready(function(){
	$('#checkbox_16').click(function() {
     if($(this).attr("checked")) {
        $(".checkgroup").find("input[@type$='checkbox']").each(function(){
                this.disabled = true;
        });
     } else {
       $(".checkgroup").find("input[@type$='checkbox']").each(function(){
                this.disabled = false;
		});
     }  
	});
});