function TddInit(e){
  topDog=isIE ? "BODY" : "HTML";
  whichDog=isIE ? document.all.TestCenterLayer : document.getElementById("TestCenterLayer");  
  hotDog=isIE ? event.srcElement : e.target;  
  while (hotDog.id!="titleBarTestCenter"&&hotDog.tagName!=topDog){
	if(hotDog.parentElement!=null){
   		hotDog=isIE ? hotDog.parentElement : hotDog.parentNode;
	}
	else{
		break;
	}
  }  
  if (hotDog.id=="titleBarTestCenter"){
    offsetx=isIE ? event.clientX : e.clientX;
    offsety=isIE ? event.clientY : e.clientY;
    nowX=parseInt(whichDog.style.left);
    nowY=parseInt(whichDog.style.top);
    TddEnabled=true;
    document.onmousemove=Tdd;
  }
}

function Tdd(e){
  if (!TddEnabled) return;
  whichDog.style.left=isIE ? nowX+event.clientX-offsetx : (nowX+e.clientX-offsetx)+'px'; 
  whichDog.style.top=isIE ? nowY+event.clientY-offsety : (nowY+e.clientY-offsety)+'px';
  return false;  
}

function TddN4(whatDog){
  if (!isN4) return;
  N4=eval(whatDog);
  N4.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
  N4.onmousedown=function(e){
    N4.captureEvents(Event.MOUSEMOVE);
    N4x=e.x;
    N4y=e.y;
  }
  N4.onmousemove=function(e){
    if (isHot){
      N4.moveBy(e.x-N4x,e.y-N4y);
      return false;
    }
  }
  N4.onmouseup=function(){
    N4.releaseEvents(Event.MOUSEMOVE);
  }
}

function ThideMe(){
  if (isIE||isNN) whichDog.style.visibility="hiTdden";
  else if (isN4) document.TestCenterLayer.visibility="hide";
}

function TshowMe(){
  if (isIE||isNN) whichDog.style.visibility="visible";
  else if (isN4) document.TestCenterLayer.visibility="show";
}