function show_joint_app(theTable)
{
	 obj = document.getElementsByTagName('SPAN');
	   for (i=0; i<obj.length; i++)
	 {
			if (obj[i].id == theTable)
		  obj[i].style.display = 'block';
	 }
}

function hide_joint_app(theTable)
{
	  obj = document.getElementsByTagName('SPAN');
	   for (i=0; i<obj.length; i++)
	 {
			if (obj[i].id == theTable)
		  obj[i].style.display = 'none';
	 }
}