1 

     2 // otl_handler javascript functions

     3 

     4 

     5 var scroll = new Array();

     6 var itemcount = 0;

     7 

     8 function init_page()

     9 {

    10     if (! document.getElementById ) return false;

    11 

    12     var spans = document.getElementsByTagName('span');

    13     for (i = 0; i < spans.length; i++) {

    14         var id = spans[i].getAttribute('id');

    15         if (id == null || id == "") continue;

    16         if (id.indexOf("itemtoplevel_") == -1) continue;

    17 

    18         // ie doesn't support negative substr positions :\

    19         // var num = id.substr(-1, 1);

    20         var num = id.substr(13, 1);

    21         var itemtoplevel = spans[i];

    22         var itemgroup    = document.getElementById("itemgroup_" + num);

    23         if (! itemtoplevel || ! itemgroup) continue;

    24 

    25         itemcount++;

    26 

    27         itemgroup.style.display    = 'none';

    28         itemgroup.style.overflow   = 'hidden';

    29         itemtoplevel.onmouseover   = function() { this.className = 'level0_over'; }

    30         itemtoplevel.onmouseout    = function() { this.className = 'level0'; } 

    31         itemtoplevel.onmouseup     = function() { this.className = 'level0'; toggle(this); return false; }

    32         itemtoplevel.onselectstart = function() { return false; }

    33 

    34     }

    35 

    36     return;

    37 }

    38 

    39 

    40 function toggle(i)

    41 {

    42     var ig = document.getElementById( i.id.replace("toplevel", "group") );

    43     if (! ig ) return;

    44 

    45     var num = ig.id.substr(10,1);

    46 

    47     // show

    48     if (ig.style.display == "" ||

    49         ig.style.display == "none") {

    50 

    51         ig.style.height = "0pt";

    52         ig.style.display = 'block';

    53         grow(num);

    54 

    55         // hide others

    56         for (i = 0; i != itemcount; i++) {

    57            if (i != num) shrink(i);

    58         }

    59 

    60     }

    61     // hide

    62     else {

    63         shrink(num);

    64     }

    65 

    66     return;

    67 }

    68 

    69 function grow(num)

    70 {

    71     var ig = document.getElementById( "itemgroup_" + num );

    72     if (! ig ) return;

    73     scroll[num] = 1;

    74 

    75     var curheight = parseInt(ig.style.height.replace("pt", ""));

    76     if (curheight >= 250) {

    77         ig.style.overflow = 'auto';

    78         scroll[num] = 0;

    79         return;

    80     }

    81 

    82     var newheight = curheight + 25 + "pt";

    83     ig.style.height = newheight;

    84 

    85     setTimeout("grow(" + num + ")", 30);

    86     return;

    87 }

    88 

    89 function shrink(num)

    90 {

    91     var ig = document.getElementById( "itemgroup_" + num );

    92     if (! ig ) return;

    93     if (scroll[num] == 1) return;

    94     ig.style.overflow = 'hidden';

    95 

    96     var curheight = parseInt(ig.style.height.replace("pt", ""));

    97     if (curheight == 0) {

    98         ig.style.display = 'none';

    99         return;

   100     }

   101 

   102     var newheight = curheight - 50 + "pt";

   103     ig.style.height = newheight;

   104 

   105     setTimeout("shrink(" + num + ")", 30);

   106     return;

   107 }

   108 

   109