var IMAGE_PATH = "http://oiswww.eumetsat.org/SDDI/html/images/out/latest";
var BUTTON_PATH = "/en/area5/images";

var IMAGE_WIDTH = 200;
var IMAGE_HEIGHT = 200;

var BUTTON_WIDTH = 90;
var BUTTON_HEIGHT = 32;

var SHOW_SECTOR = -1;

var imageZeroDegreeSectors = new Image(IMAGE_WIDTH, IMAGE_HEIGHT);
var imageZeroDegreeFullDisc = new Image(IMAGE_WIDTH, IMAGE_HEIGHT);

//var buttonFullDiscSelected = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonFullDiscDeselected = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonSectorsSelected = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonSectorsDeselected = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//
//var buttonFullDiscSelectedFocus = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonFullDiscDeselectedFocus = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonSectorsSelectedFocus = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//var buttonSectorsDeselectedFocus = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);
//
//var buttonHelpDeselected = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);

//var buttonHelpDeselectedFocus = new Image(BUTTON_WIDTH, BUTTON_HEIGHT);

imageZeroDegreeSectors.src = IMAGE_PATH + "/SDDI-THUMB-09-SECTORS-00-200.jpg";
imageZeroDegreeFullDisc.src = IMAGE_PATH + "/SDDI-THUMB-09-PLAIN-00-200.jpg";

//buttonFullDiscSelected.src = BUTTON_PATH + "/full_disc_selected.gif";
//buttonFullDiscDeselected.src = BUTTON_PATH + "/full_disc_deselected.gif";
//buttonSectorsSelected.src = BUTTON_PATH + "/sectors_selected.gif";
//buttonSectorsDeselected.src = BUTTON_PATH + "/sectors_deselected.gif";
//
//buttonFullDiscSelectedFocus.src = BUTTON_PATH + "/full_disc_selected_focus.gif";
//buttonFullDiscDeselectedFocus.src = BUTTON_PATH + "/full_disc_deselected_focus.gif";
//buttonSectorsSelectedFocus.src = BUTTON_PATH + "/sectors_selected_focus.gif";
//buttonSectorsDeselectedFocus.src = BUTTON_PATH + "/sectors_deselected_focus.gif";
//
//buttonHelpDeselected.src = BUTTON_PATH + "/help_deselected.gif";
//buttonHelpDeselectedFocus.src = BUTTON_PATH + "/help_deselected_focus.gif";

var win = null;

function loadSector(sector_number)
{
	if (SHOW_SECTOR == -1)
	{
		channel = 'IR_108';
		colour = 'bnw';
		format = 1;

		redirect_location = "http://oiswww.eumetsat.org/IDDS-cgi/listImages.pl?m=" + colour + ",se=" + sector_number + ",c=" + channel + ",f=" + format;

		if (false && win)
		{
			if (!win.closed)
			{
				win.close();
			}
		}

		win = window.open(redirect_location, '_new', 'status=yes,resizable=yes,scrollbars=yes,width=650,height=600,top=10,screenY=10');
		win.focus();
//		if (parent)
//		{
//			parent.location.href = redirect_location;
//		}
//		else
//		{
//			window.location.href = redirect_location;
//		}
	}
	else
	{
		loadFullDisc(9);
	}
}

function loadFullDisc(mission)
{
	channel = 'IR_108';
	colour = 'bnw';
	sector = 0;
	format = 1;

	redirect_location = "http://oiswww.eumetsat.org/IDDS-cgi/listImages.pl?m=" + colour + ",sa=" + mission + ",se=" + sector + ",f=" + format;

	if (false && win)
	{
		if (!win.closed)
		{
			win.close();
		}
	}

	win = window.open(redirect_location, '_new', 'status=yes,resizable=yes,scrollbars=yes,width=650,height=600,top=10,screenY=10');
   win.focus();
//	if (parent)
//	{
//		parent.window.location.href = redirect_location;
//	}
//	else
//	{
//		window.location.href = redirect_location;
//	}
}

//function focusButton(type, focus)
//{
//	var focus_prefix;
//	if (focus == 0)
//	{
//		focus_prefix = "";
//	}
//	else
//	{
//		focus_prefix = "Focus";
//	}
//
//	if (type == 0)
//	{
//		if (SHOW_SECTOR == -1)
//		{
//			type = "buttonFullDiscDeselected" + focus_prefix;
//		}
//		else
//		{
//			type = "buttonFullDiscSelected" + focus_prefix;
//		}
//
//		button = "full_disc_button";
//	}
//	else if (type == -1)
//	{
//		if (SHOW_SECTOR == -1)
//		{
//			type = "buttonSectorsSelected" + focus_prefix;
//		}
//		else
//		{
//			type = "buttonSectorsDeselected" + focus_prefix;
//		}
//
//		button = "sectors_button";
//	}
//	else
//	{
//		type = "buttonHelpDeselected" + focus_prefix;
//
//		button = "help_button";
//	}
//
//	document.images[button].src = eval(type + ".src");
//}

function showImage(placeHolder, type)
{
	if ((type == 0 && SHOW_SECTOR == -1) || (type == -1 && SHOW_SECTOR == 0))
	{
		if (type == 0)
		{
			imageObject = "imageZeroDegreeFullDisc";
			SHOW_SECTOR = 0;

			//document.images["full_disc_button"].src = buttonFullDiscSelected.src;
			//document.images["sectors_button"].src = buttonSectorsDeselected.src;
		}
		else
		{
			imageObject = "imageZeroDegreeSectors";
			SHOW_SECTOR = -1;

			//document.images["full_disc_button"].src = buttonFullDiscDeselected.src;
			//document.images["sectors_button"].src = buttonSectorsSelected.src;
		}

		document.images[placeHolder].src = eval(imageObject + ".src");
	}

	return;
}