function search() {
    var Term = (document.getElementById('searchterm').value);
    
    if (Term == document.getElementById('searchterm').title || Term.length < 4) 
    {
        alert ('Geef een zoekterm op van minimaal 4 karakters.');
        return false;
    }
    else
    {
        document.location.href = httproot + '/search.php?searchterm=' + Term;
    }
}

$(document).ready(function(){
    $('#searchterm').keypress(function(e) {
	    if (e.which == 13 ) {
	        //enter was pressed, go search
	        search();
	    }
    });
    
    //show title attribute as hint in textfield
    $('input:text').hint();
});