<!--

/////////////////////////////////////////////////////////////////
/*
*
*	Menue Control Block
*
*/
/////////////////////////////////////////////////////////////////

var Chooser_Pos_x=0; var Chooser_Pos_y=0;
var Space_Res=''; var Time_Res='';
var Menue_Loaded = false;

function find_xy(Img) {
  var Img_coord = new Array(2);
  if (NS4) {
    Img_coord = [Img.x, Img.y];
  }
  else {
    Img_coord = [Img.offsetLeft+Mac[0]+Win[0], Img.offsetTop+Mac[1]+Win[1]];
    var tempElm = Img.offsetParent;
    while (tempElm != null) {
      Img_coord[0] += tempElm.offsetLeft;
      Img_coord[1] += tempElm.offsetTop;
      tempElm = tempElm.offsetParent;
    }
  }
  return Img_coord;
}

function Set_Menue(coord) {
  Chooser_coord = find_xy(document.images["chooser"]);
  if (NS4)
  {
    div_2.moveTo(Chooser_coord[0]+coord[0],Chooser_coord[1]+coord[1]);
    div_2.visibility="show";
  }
  else
  {
    div_2.style.left = Chooser_coord[0]+coord[0];
    div_2.style.top  = Chooser_coord[1]+coord[1];
    div_2.style.visibility="visible";
  }
  Menue_Loaded = true;
}

function Hide_Blue_Square() {
  if (NS4)
  {
    div_2.visibility="hide";
  }
  else
  {
    div_2.style.visibility="hidden";
  }
}

function Show_Square(mx,my,space,time) {
  if (Menue_Loaded) {
    Space_Res = space;
    Time_Res = time;
    if (NS4)
    {
      div_3.moveTo(Chooser_coord[0]+mx,Chooser_coord[1]+my);
      div_3.visibility="show";
    }
    else
    {
      div_3.style.left = Chooser_coord[0]+mx;
      div_3.style.top  = Chooser_coord[1]+my;
      div_3.style.visibility="visible";
    }
  }
}

function Hide_Square() {
  if (Menue_Loaded) {
    if (NS4)
    {
      div_3.visibility="hide";
    }
    else
    {
      div_3.style.visibility="hidden";
    }
  }
}

function Load_Page() {
  var Index=0; var url="";
  while (document.choose.parameter[Index].checked == false) {
    Index++;
    if (Index == 11) {return false}
  }
  var Category = document.choose.parameter[Index].value;
  Index  = eval("document.choose.sub_"+Category+".selectedIndex");
  var Subject  = eval("document.choose.sub_"+Category+".options[Index].value");

  url = "data.cgi?space="+Space_Res+"&space_dom="+Space_Dom+"&time="+Time_Res+"&category="+Category+"&subject="+Subject;
  window.location = url;
}

function Select_onChange(Index) {
  for (var ind=0; ind<document.choose.parameter.length; ind++) { if (ind != Index)
    eval("document.choose.sub_"+document.choose.parameter[ind].value+".options[0].selected = true");
  }

  var Category = document.choose.parameter[Index].value;
  var Last = eval("document.choose.sub_"+Category+".options.length")-1;
  if (eval("document.choose.sub_"+Category+".options[Last].selected == true"))
	eval("document.choose.sub_"+Category+".options[0].selected = true");
  document.choose.parameter[Index].checked = true;
}

/////////////////////////////////////////////////////////////////

var Agent = navigator.userAgent.toLowerCase();
var Aname = navigator.appName.toLowerCase();
var Os = navigator.platform.toLowerCase();
var Win = (Os.indexOf("win")!=-1) ? [1,1] : [0,0];
var Mac = (Os.indexOf("mac")!=-1 && Aname.indexOf("explorer")!=-1) ? [9,14] : [0,0];
var isMac = (Os.indexOf("mac")!=-1);
var NS4 = document.layers;

function init() {
  _dom=document.all?3:(document.getElementById?1:(document.layers?2:0));

  if(_dom==2){                         // for NN4
    div_2 = document.layers.square_blue;
    div_3 = document.layers.square_red;
  }
  else if(document.getElementById){    // for IE5, Mozilla
    div_2 = document.getElementById('square_blue');
    div_3 = document.getElementById('square_red');
  }
  else {                               // for IE4
    div_2 = document.all('square_blue');
    div_3 = document.all('square_red');
  }

  Set_Menue(Menue_Space);
}

function Page_Resize() {
  Set_Menue(Menue_Space); Hide_Square();
}

//-->