function sf(){
	document.loginform.username.focus();
}

var fenster; var url; var name;
function popup(url, name) {
	if (fenster == null || fenster.closed) {
		fenster = window.open(url,name,"width=680,height=600,resizable,scrollbars=yes,top="+((screen.height/2)-(680/2))+",left=150");
	}
}

function swap_preview(title, url_preview, url_full) {
	document.images['preview'].alt = title;
	document.images['preview'].title = title;
	document.images['preview'].src = url_preview;
	document.getElementById('preview_link').href = url_full;
	document.getElementById('preview_link').title = title;
}

function srHide() { document.getElementById('livesearch-results').style.visibility = 'hidden'; }
function srShow() { document.getElementById('livesearch-results').style.visibility = 'visible'; }
function srBlur() { setTimeout("srHide()", 200); }

function switch_searchbox_tab(tab) {

	switch (tab) {
		case 1:
            document.getElementById('searchbox_tab1').style.display = 'block';
            document.getElementById('searchbox_tab2').style.display = 'none';
            document.getElementById('searchbox_tab3').style.display = 'none';
            break;

		case 2:
            document.getElementById('searchbox_tab1').style.display = 'none';
            document.getElementById('searchbox_tab2').style.display = 'block';
            document.getElementById('searchbox_tab3').style.display = 'none';
            break;

		case 3:
            document.getElementById('searchbox_tab1').style.display = 'none';
            document.getElementById('searchbox_tab2').style.display = 'none';
            document.getElementById('searchbox_tab3').style.display = 'block';
            break;
	}
	return false;
}

function get_length(value, container) { 
	var count = Math.abs(value.length);
	if (count == 0) { result = ' ';
	} else { result = Math.abs(value.length) + ' Zeichen'; }
	document.getElementById(container).innerHTML = result;
}