function ajsearch(){
    $('searchtext').addEvent('keypress',function(e){
        var searchText =  $('searchtext').getProperty('value');
        var maxRecs = 5;
        var searchRequest = new Request.HTML({
            url:'ajaxsearch.asp',
            method:'post',
            update:$('livesearch')
            }).send('searchText='+searchText+'&maxRecs='+maxRecs);
    });
}