var general_root = "http://www.supo.be";
var radiowindow = '';

function radioPlayer()
{
if(!radiowindow.closed && radiowindow.location) { radiowindow.close(); }
radiowindow=window.open(general_root+'/radioplayer/','mediaPlayer','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=313,height=200');
radiowindow.focus();
}

function returnObjById( id )
{
    if (document.getElementById)
        var returnVar = document.getElementById(id);
    else if (document.all)
        var returnVar = document.all[id];
    else if (document.layers)
        var returnVar = document.layers[id];
    return returnVar;
}

function divToggle(sleutel)
{
  var div = 'hide_' + sleutel;
  var spandiv = 'span_' + sleutel;
  var elem, span, vis;
  if( document.getElementById ) // this is the way the standards work
 {  elem = document.getElementById(div);
	span = document.getElementById(spandiv);
  } 
  else if( document.all ) // this is the way old msie versions work
  {  elem = document.all[div];
	span = document.all(spandiv);
  }
  else if( document.layers ) // this is the way nn4 works
  {  elem = document.layers[div];
    span = document.layers[spandiv];
  }
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
  
  span.innerHTML = (span.innerHTML=='+')?'-':'+';
  return false;
}

function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}


function openTab(to)
{ 
  var divvan = returnObjById('hide_' + activediv);
  var divnaar = returnObjById('hide_' + to);
  var knopvan = returnObjById('knop_' + activediv);
  var knopnaar = returnObjById('knop_' + to);

  vis = divvan.style;
  if(vis.display==''&&vis.offsetWidth!=undefined&&vis.offsetHeight!=undefined)
  vis.display = (vis.offsetWidth!=0&&vis.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
 
  ves = divnaar.style;
  if(ves.display==''&&ves.offsetWidth!=undefined&&ves.offsetHeight!=undefined)
  ves.display = (ves.offsetWidth!=0&&ves.offsetHeight!=0)?'block':'none';
  ves.display = (ves.display==''||ves.display=='block')?'none':'block';  
 
  knopnaar.innerHTML = '<a href="#" class="current"><span>'+TABS[to]+'</span></a>';
  knopvan.innerHTML = '<a href="#" onclick="openTab(\''+ activediv +'\'); return false;">'+TABS[activediv]+'</a>';
  
  activediv = to;
  return false;
}

function openhomeTab(to)
{ 
  if(activediv != to)
  {
  var divvan = returnObjById('hide_' + activediv);
  var divnaar = returnObjById('hide_' + to);
  var knopvan = returnObjById('knop_' + activediv);
  var knopnaar = returnObjById('knop_' + to);

  vis = divvan.style;
  if(vis.display==''&&vis.offsetWidth!=undefined&&vis.offsetHeight!=undefined)
  vis.display = (vis.offsetWidth!=0&&vis.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
 
  ves = divnaar.style;
  if(ves.display==''&&ves.offsetWidth!=undefined&&ves.offsetHeight!=undefined)
  ves.display = (ves.offsetWidth!=0&&ves.offsetHeight!=0)?'block':'none';
  ves.display = (ves.display==''||ves.display=='block')?'none':'block';  
 
  knopnaar.src = general_root+"/core/img/"+TABS[to]+'_over.jpg';
  knopvan.src = general_root+"/core/img/"+TABS[activediv]+'.jpg';
  
  activediv = to;
  }
  return false;
}