// JavaScript Document

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 display(id, wartosc)
{
  if (document.getElementById) document.getElementById(id).style.display = wartosc;
  else if (document.all) document.all[id].style.display = wartosc;
}

function touchSession(id) {
   try {
       var request = getXMLHttpRequest();
       request.open("GET", "authStatus.php?id="+(id), false);
       request.send (false);           
	   startClock(id);
	   } catch (e) {
   }
}

function startClock(id) {
   setTimeout("touchSession("+(id)+")", 3000);
   }

function getXMLHttpRequest() {
   var xmlHttpRequest;
   if (window.XMLHttpRequest) {        // Non-IE browsers
       xmlHttpRequest = new XMLHttpRequest();
   } else {
       if (window.ActiveXObject) {        // IE
           xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
       }      }
   return xmlHttpRequest;
}

function change_style (theRow, newColor)
{
 var theCells = null;

    if (typeof(theRow.style) == 'undefined') { return false; }
    if (typeof(document.getElementsByTagName) != 'undefined') { theCells = theRow.getElementsByTagName('td'); }
    else if (typeof(theRow.cells) != 'undefined') { theCells = theRow.cells; }
    else { return false; }
	
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    
	if (typeof(window.opera) == 'undefined' && typeof(theCells[0].getAttribute) != 'undefined') { domDetect    = true; }
    else { domDetect    = false; }
	
    if (newColor) {
        var c = null;
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
        }   } 
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
    }   }   }
  return true;
}