function show (id) {
    if (document.getElementById(id)) {
        document.getElementById(id).style.display = 'block';
    }
}

function hide (id) {
    if (document.getElementById(id)) {
        document.getElementById(id).style.display = 'none';
    }
}

function toggle_display(id) {
    if (document.getElementById(id)) {

        var act_state;
        act_state = document.getElementById(id).style.display;

        if (act_state == 'none') {
            document.getElementById(id).style.display = 'block';
        } else {
            document.getElementById(id).style.display = 'none';
        }
    }
}

function tab_show(id) {
	hide('p-stats');
	hide('p-ranking');
	hide('p-results');
	hide('p-rivals');
	show('p-' + id);
}

function js_win(url,print) {

	var urlext;
	
	if (print === true) {
		if (url.lastIndexOf('?') > 0) {
			urlext = '&style=print';
		} else {
			urlext = '?style=print';
		}
	} else {
		urlext = '';
	}

	jsWindow=window.open(url + urlext,"PrintWindow","toolbar=no,width=640,height=550,directories=no,status=no,scrollbars=yes,resize=yes,menubar=yes")
}