function SwitchBlock(Id, bShow) {
  var el;
  if(document.getElementById) el = document.getElementById(Id);
  else { el = document.all ? document.all[Id] : new Object(); }
  if(!el) return;
  if(el.style) el = el.style;
  if( typeof( el.display ) == 'undefined' && !( window.ScriptEngine && ScriptEngine().indexOf( 'InScript' ) + 1 ) ) { alert('Browser Error!'); return; }
  el.display = bShow ? 'block' : 'none';
}

function GetLastModified(){

  var a,lm_year,lm_month,lm_day;
  a = new Date(document.lastModified);
  lm_year=a.getYear();lm_year=((lm_year<1000)?((lm_year<70)?2000:1900):0)+lm_year;
  lm_month=a.getMonth()+1;lm_month=((lm_month<10)?'0':'')+lm_month;
  lm_day=a.getDate();lm_day=((lm_day<10)?'0':'')+lm_day;
  return lm_year+'-'+lm_month+'-'+lm_day;

}


function GetCurDate() {

  var today = new Date();
  var date = today.getDate();
  var day = today.getDay();
  var month = today.getMonth();
  var year = today.getYear();
  if(year < 2000) year+=1900;

  var aDays = new Array("Sunday", "Monday", "Tuesday", "Wednesday", 
    "Thursday", "Friday", "Saturday");

  var dayName = aDays[day];

  var aMonths = new Array("January", "February", "March", "April", "May", "June", 
    "July", "August", "September", "October", "November", "December");

  var monthName = aMonths[month];

  return ("&nbsp;&nbsp;&nbsp;" + monthName + " " + date + ", " + year);

}

function popUp (sURL, sName, x, y, dx, dy) {
  if(!sURL) return;
  window.open(sURL, sName, 'left='+x+',top='+y+',width='+dx+',height='+dy+',scrollbars=1,resizable=1');
}

function GoURL(s){
  document.location = s;
}

function Add2Fav(){
  if (document.all)
    window.external.AddFavorite(document.location.href,document.title)
}

function OpenPreview(sURL) {
  if(!sURL) return;
  var w_s = 50;
  var h_s = 50;
  var w = window.screen.width;
  var h = window.screen.height;
  popUp(sURL,'PreviewWin', w_s, h_s, w-2*w_s, h-2*h_s-50);
}

function OpenImages(id,f){
  OpenPreview('index.php?page=images&id='+id+'&f='+f);
}

function hwReloadCat(page,cid,hwJsCats){

  var catbox = document.frm.cid;
  var new_cid = catbox.options[catbox.selectedIndex].value;
  var f1,f2,s1,s2;
  s1 = '|' + new_cid + '|';
  s2 = '|' + cid + '|';
  
  for (i = 0; i < hwJsCats.length; i++) {
    f1 = hwJsCats[i].indexOf(s1) != -1;
    f2 = hwJsCats[i].indexOf(s2) != -1;
    if(f1 && f2) return;
    if(f1 || f2) break;
  }
  
  var ch_sep = page.indexOf('?') != -1 ? '&' : '?';  
  document.location = page + ch_sep + 'cid=' + new_cid;
}

function txtCount(f, countf, max) {
  if (f.value.length > max) f.value = f.value.substring(0, max);
  else countf.value = max - f.value.length;
}

function hwGetMenuValue(ctl){
  ctl = eval('document.' + ctl);
  return ctl.options[ctl.selectedIndex].value;
}