//==========================================
// Set DIV ID to hide
//==========================================

function togglediv(id,state)
{
	if ( state )
	{
		my_show_div( my_getbyid( 'col_'+id  ) );
		my_hide_div( my_getbyid( 'exp_'+id  ) );
	}
	else
	{
		my_show_div( my_getbyid( 'exp_'+id  ) );
		my_hide_div( my_getbyid( 'col_'+id  ) );
	}

}

function my_hide_div(itm)
{
	if ( ! itm ) return;
	
	itm.style.display = "none";
}

//==========================================
// Set DIV ID to show
//==========================================

function my_show_div(itm)
{
	if ( ! itm ) return;
	
	itm.style.display = "";
}


function my_getbyid(id)
{
	itm = null;
	
	if (document.getElementById)
	{
		itm = document.getElementById(id);
	}
	else if (document.all)
	{
		itm = document.all[id];
	}
	else if (document.layers)
	{
		itm = document.layers[id];
	}
	
	return itm;
}