var browser_name = navigator.appName;
var stat=0;
var win;

function w(url){
W=650;
H=500;
  if (stat==1&&browser_name == "Microsoft Internet Explorer" ){ win.close();}
   win=window.open( url, "picture", "width="+W+",height="+H+",left="+(screen.width-W)/2+",top="+(screen.height-H)/2+",toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no"  );
   win.focus();
   stat=1;
  }

/* left tree menu */  
function show_hide( id_obj ){
var obj = 'ul_'+id_obj, img='im_'+id_obj;
if( document.all && navigator.userAgent.search('Opera') < 0 ) property = 'block';
else property = 'table-row';

if( document.getElementById(obj).style.display == 'none'){
document.getElementById(obj).style.display = property; 
document.getElementById(img).src = '/images/minus.gif'; 
}
else {
document.getElementById(obj).style.display = 'none';
document.getElementById(img).src = '/images/plus.gif'; 
}
}

/* images drop-downlist */  
function select_onmousedown(id) {
  var name = 'dropdownbtn_'+id;
  document.getElementById(name).src = 'images/dropdownbtn_1.gif';
}
function select_onmouseup(id) {
  var name = 'dropdownbtn_'+id;
  document.getElementById(name).src = 'images/dropdownbtn_0.gif';
}
function select_onclick(id) {
 var name = 'dropdownlist_'+id;
if (document.getElementById(name).style.display == 'block') document.getElementById(name).style.display = 'none';
 else document.getElementById(name).style.display = 'block';
}

function option_onclick( id, val ){
 var select_name = 'select_'+id;
 var form_name = 'form_'+id;
 document.getElementById(select_name).value = val;
 var cmd = 'document.'+form_name+'.submit();';
 eval(cmd);
 //document.getElementById(form_name).submit();
 }
 
function nul_func(){
}

var id_current=0;
function sc(id){
if(id==id_current) { 
 return;
 }
var name = 'dropdownlist_'+id;
//alert(id+'; '+name);
document.getElementById(name).style.display = 'none';
}