jQuery( document ).ready( function () { var $_GET = {}; document.location.search.replace( /\??(?:([^=]+)=([^&]*)&?)/g, function () { function decode( s ) { return decodeURIComponent( s.split( "+" ).join( " " ) ); } $_GET[decode( arguments[1] )] = decode( arguments[2] ); } ); var uri = URI( window.location.href ) jQuery( '#itsec_log_filter' ).on( 'change', function () { uri.removeSearch( 'itsec_log_filter' ).removeSearch( 'orderby' ).removeSearch( 'order' ).removeSearch( 'paged' ).addSearch( { itsec_log_filter: [this.value] } ); window.location.replace( uri ); } ); } );