//link function used for the search box
function searchGo(pageURl, keywords)
{
    location.href=pageURl+"?usterms="+keywords;
}

$(document).ready(function(){

$('#usterms').keypress(function (e){
    code = (e.keyCode) ? e.keyCode : e.which;
    
    if (code == 13)
    {
        $('#btnGo').click();
        return false;
    }
    else
    {
        return true;
    }
});

});

function f_clientHeight() {
	return f_filterResults (
		window.innerHeight ? window.innerHeight : 0,
		document.documentElement ? document.documentElement.clientHeight : 0,
		document.body ? document.body.clientHeight : 0
	);
}

function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_result;
}