function InfoWindow(page)
{
	OpenWin = this.open( page, "CtrlWindow", "toolbar=no,menubar=no,location=no,scrollbars=yes,status=no,resizable=yes,help=no,width=440,height=400" );
}

function shade(id)
{
	var shader_div = document.getElementById( 'shader'+id );
	if( shader_div.style.display == 'block' )
	{
		shader_div.style.display = 'none';
	}
	else
	{
		shader_div.style.display = 'block';
	}
}

function set_area(id)
{
	var select_obj = document.getElementById( id+'_area' );
	var site_select_obj = document.getElementById( id+'_site_selection' );

	update_select_options_for_area( site_select_obj, select_obj.options[select_obj.selectedIndex].value );
}

function set_text_field( select_id, textfield_id )
{
	var select_obj = document.getElementById( select_id );
	var textfield_obj = document.getElementById( textfield_id );

	textfield_obj.value = select_obj.options[select_obj.selectedIndex].value;
}