Check out my answer here jsfiddle
$(function() {
var options =
{
range: true,
min: 0,
max: 500,
values: [ 75, 300 ],
slide: function( event, ui ) {
$( "#amount" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
}
};
$( "#slider-range" ).slider(
options
);
$( "#amount" ).val( "$" + $( "#slider-range" ).slider( "values", 0 ) +
" - $" + $( "#slider-range" ).slider( "values", 1 ) );
$("#button").click(function()
{
$("#slider-range").slider("values", 0, options.values[0]);
$("#slider-range").slider("values", 1, options.values[1] );
$( "#amount" ).val( "$" + options.values[0] + " - $" + options.values[1] );
});
});