function loadHora(){
	jQuery.ajax({url : 'webservices/ws_servertime.php',
		success : function (data) {
			jQuery('#clock').html(data);
		}
	});
}

function createObject() {
	var request_type;
	var browser = navigator.appName;
	if(browser == 'Microsoft Internet Explorer'){
		request_type = new ActiveXObject('Microsoft.XMLHTTP');
	} else {
		request_type = new XMLHttpRequest();
	}
	return request_type;
}

var http = createObject();


var nocache = 0;
function login(dist) {
	document.getElementById('login_response').innerHTML = "<img src='temas/silk/icons/ajax-loader.gif' alt='' border='0' style='background:transparent;'>";
	document.getElementById('login_response').style.visibility='visible';
	document.getElementById('login_response').style.display='block';
	
	var user = encodeURI(document.getElementById('userLogin').value);
	var pass = encodeURI(document.getElementById('passLogin').value);
	var dist = dist;
	
	nocache = Math.random();
	
	http.open('get', 'webservices/ws_login.php?user='+user+'&pass='+pass+'&dist='+dist+'&nocache='+nocache);
	http.onreadystatechange = loginReply;
	http.send(null);
}
function loginReply() {
if(http.readyState === 4){ 
var response = http.responseText;
var conf = {
				frequency: 5000,
				spread: 5,
				duration: 500
			};
if(response === 0 || response == 0 ){
	// login falhou
	document.getElementById('login_response').innerHTML = "Utilizador ou Senha não válidos!";
} else {
	// login com sucesso
	var sURL = '?session=entrar';
	window.location.replace( sURL );
}
}
}


// Altera a firma corrente
function alterafirma(firma){
	$('#page_effect').show();
	nocache = Math.random();
	http.open('get', 'webservices/ws_login.php?firma='+firma+'&nocache = '+nocache);
	http.onreadystatechange = alterafirmaReply;
	http.send(null);
}
function alterafirmaReply(){
	if(http.readyState === 4){ 
		var response = http.responseText;
		if(response === 0){
			alerta('Não tem permissões');
			var sURL = "?";
			window.location.replace( sURL );
		} else {
			// sucesso
			var sURL = '?session=entrar';
			window.location.replace( sURL );
		}
	}
}

// Chamar ajaxLoader dependente de string inserida em formulário 
function enviarVarsForm(id,url,loadto) {
	var strget = encodeURI(document.getElementById('strget').value);
	var loadto = encodeURI(document.getElementById('loadto').value);
	var url = encodeURI(document.getElementById('url').value);
	ajaxLoader(url+strget,loadto);
}

function janelaOculta(button,tohide,width,height,buttons) {
	$('#'+tohide).dialog({
		autoOpen: false,
		width: width,
		height: height,
		buttons: buttons,
		modal: true,
		overlay: {opacity: 0.95,background:'black'}
	});
	$('#'+button).mouseover(function(){
		$('#'+button).css('cursor','pointer');
    });
	$('#'+button).click(function(){											 
		$('#'+tohide).dialog('open');
		return false;
	});	
};

function encerrarSessao(){
	jQuery('#divalerta').html("<div align=center><BR>Tem a certeza que pretende encerrar a sua sessão?<BR><BR><img src='temas//icons48/door_out.png'/></div>");
	jQuery('#divalerta').dialog({
	autoOpen: false,
		width: 200,
		height: 180,
		modal: true,
		buttons: { 
			'Sair': function() { 
				var sURL = '?session=sair';
				window.location.replace( sURL );
			 },
			'Cancelar': function() {
				$(this).dialog('close');
			}
		},
		overlay: {opacity: 0.95,background: 'black'}
	});
	jQuery('#divalerta').dialog( 'option', 'dialogClass', 'alert' );
	jQuery('#divalerta').dialog('open');
}		
function alerta(texto,width,height){
	if(!width){
		width=300;
		height=300;
	}
	$('#divalerta').html(texto);
	$('#divalerta').dialog({
		autoOpen: false,
			width: width,
			height: height,
			modal: true,
			buttons: { 'Ok': function() { $(this).dialog('close'); } },
			overlay: {opacity: 0.95,background: 'black'}
		});
		$('#divalerta').dialog('open');
}
function post(URL, PARAMS) {
	var temp=document.createElement('form');
	temp.action=URL;
	temp.method='POST';
	temp.style.display='none';
	for(var x in PARAMS) {
		var opt=document.createElement('textarea');
		opt.name=x;
		opt.value=PARAMS[x];
		temp.appendChild(opt);
	}
	document.body.appendChild(temp);
	temp.submit();
	return temp;
}
function print_r(arr){
	alerta('<pre>'+dump(arr)+'</pre>');
}