function showContent(rowNo) {
     hideAll();
     var descriptionNo = 'row' + rowNo;
     document.getElementById(descriptionNo).style.display = 'block';
}
function ShowAll(){
        document.getElementById('row1').style.display = 'block';
        document.getElementById('row2').style.display = 'block';
        document.getElementById('row3').style.display = 'block';
        document.getElementById('row4').style.display = 'block';
        document.getElementById('row5').style.display = 'block';
}
function hideAll() {
    document.getElementById('row1').style.display = 'none';
    document.getElementById('row2').style.display = 'none';
    document.getElementById('row3').style.display = 'none';
    document.getElementById('row4').style.display = 'none';
    document.getElementById('row5').style.display = 'none';
}

function markActive(id) {
    document.getElementById(id).className = 'act';
}
function markHActive(id) {
    document.getElementById('h_'+id).className = 'active';
}


function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

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_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 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_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}