1 function collapseHeader()

     2 	{

     3 	handleHeaderDisplay( "header_table", "table_initial" )

     4 	}

     5 	

     6 function expandHeader()

     7 	{

     8 	handleHeaderDisplay( "table_initial", "header_table" )

     9 	}

    10 	

    11 function handleHeaderDisplay( tableToHide, tableToShow )

    12 	{

    13 	document.getElementById(tableToShow).style.display = "";

    14 	document.getElementById(tableToHide).style.display = "none";

    15 	}

    16 	

    17 onload=collapseHeader;