function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function OpenWindow(URL) {
  var day = new Date();
  var id = day.getTime();
  eval("page" + id + " = window.open(URL, '" + id + "','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=770,height=500');")
}

if(!Array.indexOf){    
  Array.prototype.indexOf = function(obj){        
    for(var i=0; i<this.length; i++){            
      if(this[i]==obj){                
        return i;            
      }        
    }    
  }
}        /* Create a new XMLHttpRequest object to talk to the Web server */

var http  = false;
var http2  = false;
var e;
var e2;

/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
  http = new ActiveXObject("Msxml2.XMLHTTP");
  http2 = new ActiveXObject("Msxml2.XMLHTTP");  
} catch (e) {
  try {
    http = new ActiveXObject("Microsoft.XMLHTTP");
    http2 = new ActiveXObject("Microsoft.XMLHTTP");    
  } catch (e2) {
    http = false;
  }
}
@end @*/

if (!http && typeof XMLHttpRequest != 'undefined') {
  http  = new XMLHttpRequest();
  http2  = new XMLHttpRequest();  
}
            
if (typeof http != 'object') {
  var err_msg =  "This site only works in modern browsers:\n" +
                 "+ IE 5.5 and later\n" +
                 "+ Firefox 1.0 and later\n" +
                 "+ Safari 2.0 and later\n" +
                 "+ Opera 8.5 and later\n" +
                 "+ Konqueror 3.5 and later"                
  alert(err_msg);
}  
var sid;

var showCats = new Array();

showCats['ae'] = true;
showCats['co'] = true;
showCats['ee'] = true;
showCats['et'] = true;
showCats['ff'] = true;
showCats['gp'] = true;

function getCats(xxx) {                    

  var ts = new Date().getTime();         

  sid = xxx;

  http.open('get', 'inv_cats.php?sid='+xxx);
  
  if (showCats[sid] == true) {
    http.onreadystatechange = showCategories;
    showCats[sid] = false;
  } else {
    http.onreadystatechange = hideCategories;    
    showCats[sid] = true;
  }
  http.send(null);
}

function showCategories() {
  if(http.readyState == 4){
    var response = http.responseText;                                              
    document.getElementById(sid).innerHTML = response;          
  }
}

function hideCategories() {
  if(http.readyState == 4){                                              
    var response = http.responseText;                                              
    document.getElementById(sid).innerHTML = '';          
  }
}