$(document).ready(function() {
  
        $('#searchtext').bind('keypress', function(e) {
 
                if(e.keyCode==13){
				
				var tbValue = $('input:text#searchtext').val();
				
				var totalurl ='/results.aspx?sparam=' + tbValue ;
                
                $(location).attr('href',totalurl);
                return false;

                }
        });

});