function toggleSection(parentNode, blockID) {
	if (document.getElementById) {
		var subNodes = document.getElementById(blockID);
		if (subNodes.style.display == 'block') { //it is by default none but set in css class
		    subNodes.style.display = "none";
		  
		    parentNode.style.color = "#ff7500";
		} else {
		    subNodes.style.display = "block";
		    parentNode.style.color = "#ff7500"; //
		}
	}
}

function showBoxes(divName){
   var i=1;
   var nodeId, tocNode;
   
   if (divName=='sec_num')
   {
    for (i=2;i<=100;i++)
     {
        tocNode  = document.getElementById('sec_num0' + i);
        if (tocNode!=null) tocNode.style.display='block';
     }
   } else if (divName=='partBlock100'){
    for (i=0;i<7;i++)
     {
      document.getElementById(divName+i).style.display='block';
     }
   }
document.getElementById('expandall').style.color='gray';
document.getElementById('hideall').style.color='#ff7500';
}

function hideBoxes(divName){
   var i=1;
   var nodeId, tocNode;
   
   if (divName=='sec_num')
   {
    for (i=2;i<=100;i++)
     {
        tocNode  = document.getElementById('sec_num0' + i);
        if (tocNode!=null) tocNode.style.display='none';
     }
   } else if (divName=='partBlock100'){
   for (i=0;i<7;i++)
{
document.getElementById(divName+i).style.display='none';
}
   }
document.getElementById('hideall').style.color='gray';
document.getElementById('expandall').style.color='#ff7500';
}