function showCurr()
{									     	   if(document.getElementById)
	{
	  document.getElementById("maintext").style.display="block";
	  document.getElementById("subtext").style.display="none";			}
}												function showPast()       				       {                                                          			   if(document.getElementById)
	{
	  document.getElementById("subtext").style.display="block";		         document.getElementById("maintext").style.display="none";
}									       		}