var writeDrag = {
   offX: 20,
  offY: 20,
  dragId:   "dragDiv",  
  handleId: "",        
  writeId:  "",   
  draggable: false,   
  hideFlag: true,     
  init: function() {   
    if (this.handleId) dragObj.init(this.handleId, this.dragId);
    else dragObj.init(this.dragId);
    this.draggable = true;
    dw_event.add( document, "click",   writeDrag.checkHide, false );
    dw_event.add( document, "keydown", writeDrag.checkKey,  true );
  },

  set: function(e, cntnt, wd, offx, offy) {
    this.hideFlag = false;   
    var wobj = this.writeId? document.getElementById( this.writeId ): document.getElementById( this.dragId );
    var dobj = document.getElementById( this.dragId );
    if ( !this.draggable ) this.init();
    this.hide();
    wobj.innerHTML = cntnt;
    if (wd) {
      var bw = dobj.style.borderWidth? parseInt(dobj.style.borderWidth): 0;
      var pw = wobj.style.padding? parseInt(wobj.style.padding): 0;
      wd += 2 * bw + 2 * pw;
      dobj.style.width = wd + "px"; 
    }
    this.positionIt(e, dobj, offx, offy);
  }, 
  
  positionIt: function(e, o, offx, offy) {
    var x=0, y=0; viewport.getAll();
    if ( this.offX == "c" ) {
      x = Math.round( (viewport.width - o.offsetWidth)/2 ) + viewport.scrollX;
    } else {   
      x = e.pageX? e.pageX: e.clientX + viewport.scrollX;
      offx = offx || this.offX;  
      if ( x + o.offsetWidth + offx > viewport.width + viewport.scrollX ) 
        x = viewport.width + viewport.scrollX - o.offsetWidth;
      else x = x + offx;
    }
    if ( this.offY == "c" ) {
      y = Math.round( (viewport.height - o.offsetHeight)/2 ) + viewport.scrollY;    
    } else {
      y = e.pageY? e.pageY: e.clientY + viewport.scrollY; 
      offy = offy || this.offY; 
      if ( y + o.offsetHeight + offy > viewport.height + viewport.scrollY )
        y = viewport.height + viewport.scrollY - o.offsetHeight;
      else y = y + offy;
    }
    o.style.left = x + "px"; o.style.top = y + "px";
    document.getElementById(this.dragId).style.visibility = "visible";
    setTimeout("writeDrag.hideFlag = true",200);   
  },
  
  checkKey: function(e) {  
    e = e? e: window.event;  if ( e.keyCode == 27 ) writeDrag.hide();
  }, 
 
  checkHide: function(e) { 
    dw_event.DOMit(e);
    if (e.tgt.nodeType && e.tgt.nodeType == 3) e.tgt = e.tgt.parentNode;  
    if ( contained( e.tgt, document.getElementById("dragDiv") ) ) {
      if ( e.tgt.tagName && e.tgt.tagName == "IMG" ) e.tgt = e.tgt.parentNode; 
      if ( e.tgt.tagName == "A" && e.tgt.href.indexOf("writeDrag.hide") != -1 ) writeDrag.hide();
      else return;
    }
    if (writeDrag.hideFlag) writeDrag.hide();
  },

  hide: function() { document.getElementById(writeDrag.dragId).style.visibility = "hidden"; }
}
function contained(oNode, oCont) {
  if (!oNode) return; 
  while ( oNode = oNode.parentNode ) if ( oNode == oCont ) return true;
  return false;
}