function $(e){if(typeof e=='string')e=document.getElementById(e);return e};
function collect(a,f){var n=[];for(var i=0;i<a.length;i++){var v=f(a[i]);if(v!=null)n.push(v)}return n};

ajax={};
ajax.x=function(){try{return new ActiveXObject('Msxml2.XMLHTTP')}catch(e){try{return new ActiveXObject('Microsoft.XMLHTTP')}catch(e){return new XMLHttpRequest()}}};
ajax.serialize=function(f){var g=function(n){return f.getElementsByTagName(n)};var nv=function(e){if(e.name)return encodeURIComponent(e.name)+'='+encodeURIComponent(e.value);else return ''};var i=collect(g('input'),function(i){if((i.type!='radio'&&i.type!='checkbox')||i.checked)return nv(i)});var s=collect(g('select'),nv);var t=collect(g('textarea'),nv);return i.concat(s).concat(t).join('&');};
ajax.send=function(u,f,m,a){var x=ajax.x();x.open(m,u,true);x.onreadystatechange=function(){if(x.readyState==4)f(x.responseText)};if(m=='POST')x.setRequestHeader('Content-type','application/x-www-form-urlencoded');x.send(a)};
ajax.get=function(url,func){ajax.send(url,func,'GET')};
ajax.gets=function(url){var x=ajax.x();x.open('GET',url,false);x.send(null);return x.responseText};
ajax.post=function(url,func,args){ajax.send(url,func,'POST',args)};
ajax.update=function(url,elm){var e=$(elm);var f=function(r){e.innerHTML=r};ajax.get(url,f)};
ajax.submit=function(url,elm,frm){var e=$(elm);var f=function(r){e.innerHTML=r};ajax.post(url,f,ajax.serialize(frm))};

var pos = 0;
var count = 0;

function noenter(key) 
{
suggcont = document.getElementById("suggcontainer");
if (suggcont.style.display == "block") 
{
if (key == 13) 
{
choiceclick(document.getElementById(pos));
return false;
}else{
return true;
}
}else{
return true;
}
}

document.onclick = function () 
{ 
closechoices(); 
}

function suggest(key,query) 
{
if (key == 38) 
{
goPrev();
}
else if (key == 40) 
{
goNext();
}
else if (key != 13) 
{
if (query.length > 3) 
{
t = new Date();
ajax.get('suggest.php?q='+query+'&bla='+t.getTime(),update);
}else{
update('');
}
}
}

function update(result) 
{
arr = new Array();
arr = result.split('\r\n');
if (arr.length > 10) 
{
count = 10;
}else{
count = arr.length;
}

suggdiv = document.getElementById("suggestions");
suggcont = document.getElementById("suggcontainer");
if (arr[0].length > 0) 
{
suggcont.style.display = "block";
suggdiv.innerHTML = '';
suggdiv.style.height = count * 20;
for (i = 1; i <= count; i++) 
{
novo = document.createElement("div");
suggdiv.appendChild(novo);
novo.id = i;
novo.style.height = "14px";
novo.style.padding = "3px";
novo.onmouseover = function() { select(this,true); }
novo.onmouseout = function() { unselect(this,true); }
novo.onclick = function() { choiceclick(this); }
novo.innerHTML = arr[i-1];
}
}else{
suggcont.style.display = "none";
count = 0;
}
}

function select(obj,mouse) 
{
obj.style.backgroundColor = '#3399ff';
obj.style.color = '#ffffff';
if (mouse) 
{
pos = obj.id;
unselectAllOther(pos);
}
}

function unselect(obj,mouse) 
{
obj.style.backgroundColor = '#ffffff';
obj.style.color = '#000000';
if (mouse) 
{
pos = 0;
}
}

function goNext() {
if (pos <= count && count > 0) 
{
if (document.getElementById(pos)) 
{
unselect(document.getElementById(pos));
}
pos++;
if (document.getElementById(pos)) 
{
select(document.getElementById(pos));
}else{
pos = 0;
}
}
}

function goPrev() 
{
if (count > 0) 
{
if (document.getElementById(pos)) 
{
unselect(document.getElementById(pos));
pos--;
if (document.getElementById(pos)) 
{
select(document.getElementById(pos));
}else{
pos = 0;
}
}else{
pos = count;
select(document.getElementById(count));
}
}
}

function choiceclick(obj) 
{
document.getElementById("searchinput").value = obj.innerHTML;
count = 0;
pos = 0;
suggcont = document.getElementById("suggcontainer");
suggcont.style.display = "none";
document.getElementById("searchinput").focus();
}

function closechoices() 
{
suggcont = document.getElementById("suggcontainer");
if (suggcont.style.display == "block") 
{
count = 0;
pos = 0;
suggcont.style.display = "none";
}
}

function unselectAllOther(id) 
{
for (i = 1; i <= count; i++) 
{
if (i != id) 
{
document.getElementById(i).style.backgroundColor = '#ffffff';
document.getElementById(i).style.color = '#000000';
}
}
}