//------------------------------
//   DrUGS Team scrOllit
//------------------------------

function dTscrOllit(gN,skin,cY,res) {
 dTgrab=false;
 d=document;
 gC = d.getElementById(gN);
 gB = d.getElementById(gN+'B');
 gS = d.getElementById(gN+'S');
 gS.innerHTML='<img id="'+gN+'SbBr" src="'+skin+'_br.gif" style="cursor:pointer;">';
 d.write('<div id="'+gN+'Sb" style="font:0px tahoma;">'+
	'<img id="'+gN+'SbUp" src="'+skin+'_up.gif"><br>'+
	'<img id="'+gN+'SbBg" src="'+skin+'_bg.gif"><br>'+
	'<img id="'+gN+'SbDn" src="'+skin+'_dn.gif"></div>');
 if (res=='undefined') x=dTresetBars(gN,cY);
}

function dTresetBars(gN,cY) {
 gC    = d.getElementById(gN);
 gB    = d.getElementById(gN+'B');
 gS    = d.getElementById(gN+'S');
 gSb   = d.getElementById(gN+'Sb');
 gSbUp = d.getElementById(gN+'SbUp');
 gSbDn = d.getElementById(gN+'SbDn');
 gSbBg = d.getElementById(gN+'SbBg');

 gSbBg.width  = gSbBg.width;
 gSbBg.height = gB.offsetHeight- gSbUp.height- gSbDn.height;

 gS.style.left   = gB.offsetLeft+cY + 'px';
 gS.style.top    = gB.offsetTop +'px';
 gSb.style.left  = gB.offsetLeft+cY + 'px';
 gSb.style.top   = gB.offsetTop +'px';
 gSb.style.height= gB.offsetHeight +'px';

 minY = gS.offsetTop + gSbUp.height;
 maxY = gS.offsetTop + gSbUp.height + gSbBg.offsetHeight - gS.offsetHeight;
 gS.style.top = gB.offsetTop+gSbUp.height +'px';

 gCwidth = (gB.offsetWidth - gC.clientWidth) + gC.offsetWidth;
 gC.style.width=gCwidth +'px';

 dTdrag.init(gS, null, gS.offsetLeft, gS.offsetLeft, minY, maxY);
}

function dTsetBar(gN) {
 if (dTgrab==false) {
  gS    = d.getElementById(gN.id+'S');
  gC    = d.getElementById(gN.id);
  gSbUp = d.getElementById(gN.id+'SbUp');
  gSbBg = d.getElementById(gN.id+'SbBg');
  minY  = gB.offsetTop + gSbUp.height;
  maxY  = gB.offsetTop + gSbUp.height + gSbBg.offsetHeight - gS.offsetHeight;
  gS.style.top = ((gC.scrollTop / (gC.scrollHeight - gC.clientHeight)) * (maxY-minY) + minY) + "px";
  return false;
}}

function replaceCont(place,content) { 
 gC = d.getElementById(place);
 gC.innerHTML = content;
}

var dTdrag = {
 obj : null,

 init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper) {

  o.onmousedown = dTdrag.start;
  o.hmode = bSwapHorzRef ? false : true ;
  o.vmode = bSwapVertRef ? false : true ;
  o.root  = oRoot && oRoot != null ? oRoot : o ;

//  if (o.hmode && isNaN(parseInt(o.root.style.left ))) o.root.style.left  = "0px";
//  if (o.vmode && isNaN(parseInt(o.root.style.top  ))) o.root.style.top  = "0px";

  if (o.hmode && isNaN(parseInt(o.root.style.left ))) o.root.style.left  = minX+"px";
  if (o.vmode && isNaN(parseInt(o.root.style.top  ))) o.root.style.top  = minY+"px";

  if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right = "0px";
  if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px";

  o.minX = typeof minX != 'undefined' ? minX : null;
  o.minY = typeof minY != 'undefined' ? minY : null;
  o.maxX = typeof maxX != 'undefined' ? maxX : null;
  o.maxY = typeof maxY != 'undefined' ? maxY : null;

  o.xMapper = fXMapper ? fXMapper : null;
  o.yMapper = fYMapper ? fYMapper : null;

  o.root.onDragStart = new Function();
  o.root.onDragEnd = new Function();
  o.root.onDrag  = new Function();
 },
 start : function(e) {
  var o = dTdrag.obj = this;
  e = dTdrag.fixE(e);
  var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom);
  var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
  o.root.onDragStart(x, y);

  o.lastMouseX = e.clientX;
  o.lastMouseY = e.clientY;

  if (o.hmode) {
   if (o.minX != null) o.minMouseX = e.clientX - x + o.minX;
   if (o.maxX != null) o.maxMouseX = o.minMouseX + o.maxX - o.minX;
  } else {
   if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x;
   if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x;
  }
  if (o.vmode) {
   if (o.minY != null) o.minMouseY = e.clientY - y + o.minY;
   if (o.maxY != null) o.maxMouseY = o.minMouseY + o.maxY - o.minY;
  } else {
   if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y;
   if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y;
  }

  document.onmousemove = dTdrag.drag;
  document.onmouseup  = dTdrag.end;

  return false;
 },
 drag : function(e) {
  e = dTdrag.fixE(e);
  var o = dTdrag.obj;

  var ey = e.clientY;
  var ex = e.clientX;
  var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom);
  var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
  var nx, ny;

  if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
  if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
  if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
  if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

  nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
  ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));

  if (o.xMapper)  nx = o.xMapper(y)
  else if (o.yMapper) ny = o.yMapper(x)

  dTdrag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px";
  dTdrag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px";

  dTgrab=true;

  gS = dTdrag.obj.root;
  gSr= gS.id;
  gN = gSr.substring(0, gSr.length-1);gSr
  gC = document.getElementById(gN);
  gC.scrollTop = (gC.scrollHeight - gC.clientHeight) * ((gS.offsetTop-o.minY) / (o.maxY-o.minY))

  dTdrag.obj.lastMouseX = ex;
  dTdrag.obj.lastMouseY = ey;
  dTdrag.obj.root.onDrag(nx, ny);
  return false;
 },
 end : function() {
  dTgrab=false;
  document.onmousemove = null;
  document.onmouseup  = null;
  dTdrag.obj.root.onDragEnd( parseInt(dTdrag.obj.root.style[dTdrag.obj.hmode ? "left" : "right"]), 
         parseInt(dTdrag.obj.root.style[dTdrag.obj.vmode ? "top" : "bottom"]));
  dTdrag.obj = null;
 },
 fixE : function(e) {
  if (typeof e == 'undefined') e = window.event;
  if (typeof e.layerX == 'undefined') e.layerX = e.offsetX;
  if (typeof e.layerY == 'undefined') e.layerY = e.offsetY;
  return e;
}};