/*function showUsers() {
	var pageId = document.usrForm.map.value;
	var url = "index.php?n=kat&k="+pageId;
	//alert (url);
	window.location.replace(url);
}
*/
function checkscreen() {
	var elem1 = document.getElementById('top_bar');
	var elem2 = document.getElementById('head');
	if (screen.width < 990)
	{
		elem1.style.width = 990;
		elem2.style.width = 990;
	}
}

function show(what) {
	var active;
	var elem = document.getElementById(what);
	if (elem.active == true) {
	elem.style.display = 'none';
	elem.active = false;
	}
	else {
	if (navigator.appName=='Netscape') {elem.style.display = 'table-cell';}
	else  {elem.style.display ='block';}
	elem.active = true;
	}
}