function multiple1(elm, str){
    var val='';
    for(var i=0;i<elm.options.length;i++){
        if(elm.options[i].selected==true){
            val += ',';
            val += elm.options[i].value;
        }
    }
    val = val.substring(1);
    return '&'+str+'='+val; 
}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

var pathjax = new Array();
var pos = 0;

function backjax(){
    if(pos>=1){
        var tmp = pos-1;
        var val = pathjax[tmp];
        pos=pos-1;
        sndReq(null, val,'1');
    }
}


function rejax(){
    var val = pathjax[pos];
    sndReq(null, val, '2');
}

function forjax(){
    if(pos<(pathjax.length-1)){
        var tmp = pos+1;
        var val = pathjax[tmp];
        pos= pos+1;
        sndReq(null, val, '3'); 
    }
}


function delReq(page) {
    http.open("GET", page);
    http.onreadystatechange = del;
    http.setRequestHeader("Content-Type", "html"); 
    http.send(null);
}

////////////////////////////////////////////////////QueJax///////////////////////////////////////
function ticket_roll(){
    this.num    =   0;
    this.cur    =   0;
    this.div    =   Array();
    this.page   =   Array();
    this.arg    =   Array();
    this.add    =   ticketadd;
    this.cont   =   conticket;
}

function conticket(){
    this.cur++;
    if(this.cur<this.num){
        ajExec(this.cur);
    }
}

function ticketadd(divname, page, arg){
    this.div[this.num] = divname;
    this.page[this.num] = page;
    this.arg[this.num] = arg;
    if(this.num == this.cur)
        ajExec(ticket.cur);
    this.num++;
}

function sndReq(divname, page, arg){
    if(!divname){
        divname = 'content';
    }
    ticket.add(divname, page, arg);
}

function ajExec(number){
    var cmd = '\''+ticket.div[number]+'\', \''+ticket.page[number]+'\'';
    if(ticket.arg[number])
        cmd += ', \''+ticket.arg[number]+'\'';
    eval('execReq('+cmd+');');
}

ticket = new ticket_roll();
var divid = null;

function execReq(divname, page, arg) {
    divid = divname;
    pos++;
    pathjax[pos] = page;
    if(arg==null){
        http.open("GET", page);
    }else{
        http.open("POST", page);
    }
    http.onreadystatechange = handler;
    http.setRequestHeader("Content-Type", "html"); 
    http.send(arg);
}

function rdyState(){
    switch(http.readyState){
        case 4:
            return true;
            break;
        default:
            return false;
            break;
    }
}

function handler(){
    if(rdyState()){
        if(document.getElementById(divid)){
            document.getElementById(divid).innerHTML=http.responseText;
            execJS(document.getElementById(divid));
        }
    }
}

function sndSubReq(page, divname, arg) {
    if(!divname){
        divname = 'content';
    }
    ticket.add(divname, page, arg);
}

function handler() {
    if(http.readyState == 4){
        document.getElementById(divid).innerHTML = http.responseText;
        document.getElementById(divid).style.visibility = 'visible';
        execJS(document.getElementById(divid));
        ticket.cont();
    }
}

function del() {
    if(http.readyState == 4){
        document.getElementById('content').innerHTML += http.responseText;
        execJS(document.getElementById('content'));
    }
}

var bSaf = (navigator.userAgent.indexOf('Safari') != -1);
var bOpera = (navigator.userAgent.indexOf('Opera') != -1);
var bMoz = (navigator.appName == 'Netscape');
function execJS(node) {
  var st = node.getElementsByTagName('SCRIPT');
  var strExec;
  for(var i=0;i<st.length; i++) {     
    if (bSaf) {
      strExec = st[i].innerHTML;
    }
    else if (bOpera) {
      strExec = st[i].text;
    }
    else if (bMoz) {
      strExec = st[i].textContent;
    }
    else {
      strExec = st[i].text;
    }
    try {
      eval(strExec);
    } catch(e) {
      alert(e);
    }
  }
}

function popitup(url, name)
{
	eval('newwindow=window.open(\''+url+'\',\''+name+'\',\'scrollbars=yes,status=no,location=no,menubar=no,toolbar=no,resizable=yes\');');
	if (window.focus) {newwindow.focus()}
	return false;
}

function loadContent(file){
  var scriptTag = document.getElementById('loadScript');
  var head = document.getElementsByTagName('head').item(0)
  if(scriptTag) head.removeChild(scriptTag);
  script = document.createElement('script');
  script.src = file;
	script.type = 'text/javascript';
	script.id = 'loadScript';
	head.appendChild(script)
}

function loadLink(file){
  var LinkTag = document.getElementById('loadLink');
  var head = document.getElementsByTagName('head').item(0)
  if(LinkTag) head.removeChild(LinkTag);
  link = document.createElement('link');
  link.href = file;
  link.rel ='stylesheet';
	link.type = 'text/css';
	link.id = 'loadLink';
	head.appendChild(link)
}

function shrink(obj, size){
    if(obj.style.height != size+'px'){
        obj.tmpheight = obj.style.height;
        obj.style.overflow='hidden';
        obj.style.height=size+'px';
    }else{
        obj.style.height=obj.tmpheight;
    }
}

function autocomp(table,col,obj,targ){
    if(obj.value.length>0){
        sndReq(targ,'suggest.php?t='+escape(table)+'&c='+escape(col)+'&val='+escape(obj.value)+'&elm='+escape(obj.id));
        document.getElementById(targ).style.width=parseInt(obj.offsetWidth)+'px';
        document.getElementById(targ).style.top=parseInt(obj.offsetHeight)+parseInt(obj.offsetTop)+'px';
        document.getElementById(targ).style.left=parseInt(obj.offsetLeft)+'px';
        document.getElementById(targ).className ='suggest';
        /*document.getElementById(targ).style.border='5px solid #0f0';*/
    }else{
        document.getElementById(targ).className ='hidden';
    }
}