// JavaScript Document
function CloseAllSubsections()
{
   var divFrame = document.getElementById("MENU_CONTENT")
   var spans     = divFrame.getElementsByTagName("span")
   var nrSpans   = spans.length;
   //alert('nr of subsections:'+nrSpans);
   
   // close all divs
   for(var i = 1; i <= nrSpans ; i++)
   {
      var subsectionID = i;
      
      CloseSubsection(subsectionID);
   }
}
function CloseSubsection(subsectionID)
{
	//alert('close: subsection_' + subsectionID);
   var divSubsection = document.getElementById("subsection_"+subsectionID);
   
   divSubsection.style.display = "none";
}
function ShowSubsection(subsectionID)
{
	//alert('show: subsection_' + subsectionID);
   var divSubsection = document.getElementById("subsection_"+subsectionID);
   
   divSubsection.style.display = "block";
}
function ShowCloseSubsection(subsectionID1)
{
	//alert('show1: subsection_' + subsectionID1 + '_' + subsectionID2+ '_' + subsectionID3);
	
	var divSubsection = document.getElementById("subsection_"+subsectionID1);
   		
   	if(divSubsection.style.display == "none")
	{
		//alert('show: subsection_' + subsectionID);
   		divSubsection.style.display = "block";
	}
	else if(divSubsection.style.display == "block")
	{
		//alert('hide: subsection_' + subsectionID);
   	  	divSubsection.style.display = "none";
	}
}