function brisanjac(obj) {
	obj.value = "";
}

var state = 'none'; 
function show(layer_ref) {  
	state = 'block'; 
	if (document.all) { //IS IE 4 or 5 (or 6 beta) 
		eval( "document.all." + layer_ref + ".style.display = state"); 
	} 
	if (document.layers) { //IS NETSCAPE 4 or below 
		document.layers[layer_ref].display = state; 
	} 
	if (document.getElementById &&!document.all) { 
		hza = document.getElementById(layer_ref); 
		hza.style.display = state; 
	} 
} 

function hide(layer_ref) { 
	state = 'none'; 
	if (document.all) { //IS IE 4 or 5 (or 6 beta) 
		eval( "document.all." + layer_ref + ".style.display = state"); 
	} 
	if (document.layers) { //IS NETSCAPE 4 or below 
		document.layers[layer_ref].display = state; 
	} 
	if (document.getElementById &&!document.all) { 
		hza = document.getElementById(layer_ref); 
		hza.style.display = state; 
	} 
} 

function loadurl(dest) {
	try {
		xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");
	} catch (e) {
		// browser doesn't support ajax
	}
	xmlhttp.onreadystatechange = triggered;
	xmlhttp.open("GET", dest);
	xmlhttp.send(null);
}
 
function triggered() {
	if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200)) {
		// xmlhttp.responseText object contains the response.
		document.getElementById("output").innerHTML = xmlhttp.responseText;
	}
}