/*----------------------------------------------------------------------------*
 *
 ***** web.js -- web Javascript functions
 *
 * Purpose:
 * --------
 *
 * These are the Javascript functions which are used by the WM Intranet site.
 * They were taken from the examples given by Birgit van Diemen.
 *
 * Interface:
 * ----------
 *
 * function MM_swapImage()
 * function MM_swapImgRestore()
 * function MM_preloadImages()
 * function fwLoadMenus()
 * function MM_findObj(n, d)
 *
 * Author:
 * -------
 *
 * Hans de Vries	*Copyright © KNMI*		Aug 20, 2002
 *
 *============================================================================*/

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function fwLoadMenus() {
  if (window.fw_menu_0) return;
  window.fw_menu_0 = new Menu("root",160,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_0.addMenuItem("Home","top.location='home.html' ");
  fw_menu_0.addMenuItem("Contact","top.location='home.html#contact' ");
  fw_menu_0.addMenuItem("Technical details","top.location='technical.html' ");
  fw_menu_0.addMenuItem("Publications","top.location='publications.html' ");
  fw_menu_0.addMenuItem("Acknowledgements","top.location='acknowledgements.html' ");
  fw_menu_0.addMenuItem("Links & activities","top.location='home.html#links' ");
  fw_menu_0.addMenuItem("IPY-NL","top.location='ipy-nl.html' ");
   fw_menu_0.hideOnMouseOut=true;

/*  window.fw_menu_1_1 = new Menu("Stations",185,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_1_1.addMenuItem("Morteratsch (CH)","top.location='alpine_stations.html#morteratsch' ");
  fw_menu_1_1.addMenuItem("Breidamerkurj&ouml;kull (IS)","top.location='alpine_stations.html#breidamerkurjokull' ");
  fw_menu_1_1.addMenuItem("Middalsbreen (NO)","top.location='alpine_stations.html#middalsbreen' ");
  fw_menu_1_1.addMenuItem("Hardangerj&oslash;kulen (NO)","top.location='alpine_stations.html#hardangerjokulen' ");
  fw_menu_1_1.addMenuItem("Storbreen (NO)","top.location='alpine_stations.html#storbreen' ");
  fw_menu_1_1.hideOnMouseOut=true;*/

  window.fw_menu_1_2 = new Menu("Data",185,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_1_2.addMenuItem("Morteratsch (CH)","top.location='alpine_data.html#morteratsch' ");
  fw_menu_1_2.addMenuItem("Langfjordj&oslash;kulen (NO)","top.location='alpine_data.html#langfjordjokulen' ");
  fw_menu_1_2.hideOnMouseOut=true;

/*  window.fw_menu_1_3 = new Menu("Maps",185,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_1_3.addMenuItem("Morteratsch (CH)","top.location='maps.html#morteratsch' ");
  fw_menu_1_3.addMenuItem("Breidamerkurj&ouml;kull (IS)","top.location='maps.html#breidamerkurjokull' ");
  fw_menu_1_3.addMenuItem("Middalsbreen (NO)","top.location='maps.html#hardangerjokulen' ");
  fw_menu_1_3.addMenuItem("Hardangerj&oslash;kulen (NO)","top.location='maps.html#hardangerjokulen' ");
 fw_menu_1_3.addMenuItem("Storbreen (NO)","top.location='maps.html#storbreen' ");
 fw_menu_1_3.addMenuItem("Langfjordj&oslash;kulen (NO)","top.location='maps.html#langfjordjokulen' ");
  fw_menu_1_3.hideOnMouseOut=true;*/

  window.fw_menu_1 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_1.addMenuItem("Information","top.location='alpine.html' ");
  fw_menu_1.addMenuItem("Stations","top.location='alpine_stations.html' ");
  fw_menu_1.addMenuItem(fw_menu_1_2,"top.location='alpine_data.html' ");
  fw_menu_1.addMenuItem("Maps","top.location='maps.html' ");
   fw_menu_1.hideOnMouseOut=true;

/*  window.fw_menu_2_1 = new Menu("Stations",80,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_2_1.addMenuItem("AWS S5","top.location='greenland_stations.html#awss5' ");
  fw_menu_2_1.addMenuItem("AWS S6","top.location='greenland_stations.html#awss6' ");
  fw_menu_2_1.addMenuItem("AWS S9","top.location='greenland_stations.html#awss9' ");
  fw_menu_2_1.hideOnMouseOut=true;*/

  window.fw_menu_2_2 = new Menu("Data",80,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_2_2.addMenuItem("AWS S5","top.location='greenland_data.html#awss5' ");
  fw_menu_2_2.addMenuItem("AWS S6","top.location='greenland_data.html#awss6' ");
  fw_menu_2_2.addMenuItem("AWS S9","top.location='greenland_data.html#awss9' ");
  fw_menu_2_2.hideOnMouseOut=true;

  window.fw_menu_2 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_2.addMenuItem("Information","top.location='greenland.html' ");
  fw_menu_2.addMenuItem("Stations","top.location='greenland_stations.html' ");
  fw_menu_2.addMenuItem(fw_menu_2_2,"top.location='greenland_data.html' ");
  fw_menu_2.addMenuItem("Maps","top.location='maps.html' ");
   fw_menu_2.hideOnMouseOut=true;

/*  window.fw_menu_3_1 = new Menu("Stations",80,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_3_1.addMenuItem("AWS BI","top.location='antarctica_stations.html#awsbi' ");
  fw_menu_3_1.addMenuItem("AWS 1","top.location='antarctica_stations.html#aws1' ");
  fw_menu_3_1.addMenuItem("AWS 2","top.location='antarctica_stations.html#aws2' ");
  fw_menu_3_1.addMenuItem("AWS 3","top.location='antarctica_stations.html#aws3' ");
  fw_menu_3_1.addMenuItem("AWS 4","top.location='antarctica_stations.html#aws4' ");
  fw_menu_3_1.addMenuItem("AWS 5","top.location='antarctica_stations.html#aws5' ");
  fw_menu_3_1.addMenuItem("AWS 6","top.location='antarctica_stations.html#aws6' ");
  fw_menu_3_1.addMenuItem("AWS 7","top.location='antarctica_stations.html#aws7' ");
  fw_menu_3_1.addMenuItem("AWS 8","top.location='antarctica_stations.html#aws8' ");
  fw_menu_3_1.addMenuItem("AWS 9","top.location='antarctica_stations.html#aws9' ");
  fw_menu_3_1.addMenuItem("AWS 11","top.location='antarctica_stations.html#aws11' ");
  fw_menu_3_1.addMenuItem("AWS 12","top.location='antarctica_stations.html#aws12' ");
  fw_menu_3_1.addMenuItem("AWS 13","top.location='antarctica_stations.html#aws13' ");
  fw_menu_3_1.hideOnMouseOut=true;*/

  window.fw_menu_3_2 = new Menu("Data",190,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
/*  fw_menu_3_2.addMenuItem("AWS 4","top.location='antarctica_data.html#aws4' ");*/
  fw_menu_3_2.addMenuItem("Wasa/Aboa (5)","top.location='antarctica_data.html#aws5' ");
//  fw_menu_3_2.addMenuItem("AWS 6","top.location='antarctica_data.html#aws6' ");
  fw_menu_3_2.addMenuItem("Kohnen (9)","top.location='antarctica_data.html#aws9' ");
  fw_menu_3_2.addMenuItem("Halvfarryggen (11)","top.location='antarctica_data.html#aws11' ");
  fw_menu_3_2.addMenuItem("Plateau station (12)","top.location='antarctica_data.html#aws12' ");
  fw_menu_3_2.addMenuItem("Pole inaccessibility (13)","top.location='antarctica_data.html#aws13' ");
  fw_menu_3_2.addMenuItem("Larsen C North (14)","top.location='antarctica_data.html#aws14' ");
  fw_menu_3_2.addMenuItem("Larsen C South (15)","top.location='antarctica_data.html#aws15' ");
  fw_menu_3_2.addMenuItem("Belgian station (16)","top.location='antarctica_data.html#aws16' ");
  fw_menu_3_2.hideOnMouseOut=true;

/*  window.fw_menu_3_3 = new Menu("Logger data",80,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_3_3.addMenuItem("AWS BI","top.location='antarctica_logger.html#awsbi' ");
  fw_menu_3_3.addMenuItem("AWS 1","top.location='antarctica_logger.html#aws1' ");
  fw_menu_3_3.addMenuItem("AWS 2","top.location='antarctica_logger.html#aws2' ");
  fw_menu_3_3.addMenuItem("AWS 3","top.location='antarctica_logger.html#aws3' ");
  fw_menu_3_3.addMenuItem("AWS 4","top.location='antarctica_logger.html#aws4' ");
  fw_menu_3_3.addMenuItem("AWS 5","top.location='antarctica_logger.html#aws5' ");
  fw_menu_3_3.addMenuItem("AWS 6","top.location='antarctica_logger.html#aws6' ");
  fw_menu_3_3.addMenuItem("AWS 7","top.location='antarctica_logger.html#aws7' ");
  fw_menu_3_3.addMenuItem("AWS 8","top.location='antarctica_logger.html#aws8' ");
  fw_menu_3_3.addMenuItem("AWS 9","top.location='antarctica_logger.html#aws9' ");
  fw_menu_3_3.addMenuItem("AWS 11","top.location='antarctica_logger.html#aws11' ");
  fw_menu_3_3.addMenuItem("AWS 12","top.location='antarctica_logger.html#aws12' ");
  fw_menu_3_3.addMenuItem("AWS 13","top.location='antarctica_logger.html#aws13' ");
  fw_menu_3_3.hideOnMouseOut=true;*/

/*  window.fw_menu_3_4 = new Menu("Maps",185,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_3_4.addMenuItem("Dronning Maud Land","top.location='maps.html#dronningmaudland' ");
  fw_menu_3_4.addMenuItem("Berkner Island","top.location='maps.html#berknerisland' ");
  fw_menu_3_4.hideOnMouseOut=true;*/

  window.fw_menu_3 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_3.addMenuItem("Information","top.location='antarctica.html' ");
//  fw_menu_3.addMenuItem(fw_menu_3_1,"top.location='antarctica_stations.html' ");
  fw_menu_3.addMenuItem("Stations","top.location='antarctica_stations.html' ");
  fw_menu_3.addMenuItem(fw_menu_3_2,"top.location='antarctica_data.html' ");
  fw_menu_3.addMenuItem("Logger data","top.location='antarctica_logger.html' ");
//  fw_menu_3.addMenuItem(fw_menu_3_3,"top.location='antarctica_logger.html' ");
  fw_menu_3.addMenuItem("Maps","top.location='maps.html' "); 
/*  fw_menu_3.addMenuItem(fw_menu_3_4,"top.location='maps.html' "); */
   fw_menu_3.hideOnMouseOut=true;

  window.fw_menu_4_2 = new Menu("Data",160,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_4_2.addMenuItem("Nordenski&ouml;ldbreen","top.location='svalbard_data.html#nbreen' ");
//  fw_menu_4_2.addMenuItem("Kongsvegen","top.location='svalbard_data.html#kongsvegen' ");
  fw_menu_4_2.hideOnMouseOut=true;

  window.fw_menu_4 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_4.addMenuItem("Information","top.location='svalbard.html' ");
  fw_menu_4.addMenuItem("Stations","top.location='svalbard_stations.html' ");
  fw_menu_4.addMenuItem(fw_menu_4_2,"top.location='svalbard_data.html' ");
  fw_menu_4.addMenuItem("Maps","top.location='maps.html' ");
//  fw_menu_4.addMenuItem("GLACIODYN","top.location='http://www.phys.uu.nl/~wwwimau/research/ice_climate/iasc_wag/glaciodyn.html' ");
  fw_menu_4.hideOnMouseOut=true;

/*menu items below are for the IPY pages*/
  window.fw_menu_5 = new Menu("root",160,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_5.addMenuItem("Home","top.location='ipy-nl.html' ");
  fw_menu_5.addMenuItem("Contact","top.location='ipy-nl.html#contact' ");
  fw_menu_5.addMenuItem("Dutch summary","top.location='ipy-nl.html#dutchsummary' "); 
  fw_menu_5.addMenuItem("Publications","top.location='ipy-nl.html#publications' "); 
/*  fw_menu_5.addMenuItem("Acknowledgements","top.location='ipy-nl.html#acknowledgements' ");*/
  fw_menu_5.addMenuItem("Links & activities","top.location='ipy-nl.html#links' ");
  fw_menu_5.addMenuItem("IMAU AWS","top.location='home.html' ");
  fw_menu_5.hideOnMouseOut=true;

  window.fw_menu_6 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_6.addMenuItem("Information","top.location='project1.html' ");
  fw_menu_6.addMenuItem("Locations","top.location='project1.html' ");
/*  fw_menu_6.addMenuItem("GLACIODYN","top.location='http://www.phys.uu.nl/~wwwimau/research/ice_climate/iasc_wag/glaciodyn.html' ");*/
  fw_menu_6.hideOnMouseOut=true;

  window.fw_menu_7 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_7.addMenuItem("Information","top.location='project2.html' ");
  fw_menu_7.hideOnMouseOut=true;

  window.fw_menu_8 = new Menu("root",110,18,"Verdana, Arial, Helvetica, sans-serif",12,"#003366","#FF0000","#FFFFFF","#ffffff");
  fw_menu_8.addMenuItem("Information","top.location='project3.html' ");
  fw_menu_8.hideOnMouseOut=true;

  fw_menu_8.writeMenus();
} // fwLoadMenus()

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}