function controlHide_01() {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART01'+i;
	  var sub =document.getElementById('PART01' + i);
	  if (sub != null)
	    {
	      sub.style.display = 'none';
	      
	    }
  	}
}

function controlExpand_01(which) {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART01'+i;
	  var sub =document.getElementById('PART01' + i);
	  if (sub != null)
	    {
	      if (sub.style.display != '')
	      {
	        sub.style.display = '';
	      }
	      else
	      {
	        sub.style.display = 'none';
	      }
	    }
  	}
}
function controlHide_02() {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART02'+i;
	  var sub =document.getElementById('PART02' + i);
	  if (sub != null)
	    {
	      sub.style.display = 'none';
	      
	    }
  	}
}

function controlExpand_02(which) {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART02'+i;
	  var sub =document.getElementById('PART02' + i);
	  if (sub != null)
	    {
	      if (sub.style.display != '')
	      {
	        sub.style.display = '';
	      }
	      else
	      {
	        sub.style.display = 'none';
	      }
	    }
  	}
}

function controlHide_03() {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART03'+i;
	  var sub =document.getElementById('PART03' + i);
	  if (sub != null)
	    {
	      sub.style.display = 'none';
	      
	    }
  	}
}

function controlExpand_03(which) {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART03'+i;
	  var sub =document.getElementById('PART03' + i);
	  if (sub != null)
	    {
	      if (sub.style.display != '')
	      {
	        sub.style.display = '';
	      }
	      else
	      {
	        sub.style.display = 'none';
	      }
	    }
  	}
}


function controlHide_04() {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART04'+i;
	  var sub =document.getElementById('PART04' + i);
	  if (sub != null)
	    {
	      sub.style.display = 'none';
	      
	    }
  	}
}

function controlExpand_04(which) {
   var max=1; //Number of sub sections
   for(i=1;i<=max;i++){
	  var theId='PART04'+i;
	  var sub =document.getElementById('PART04' + i);
	  if (sub != null)
	    {
	      if (sub.style.display != '')
	      {
	        sub.style.display = '';
	      }
	      else
	      {
	        sub.style.display = 'none';
	      }
	    }
  	}
}