isIE=document.all;
isNN=!document.all&&document.getElementById;
isN4=document.layers;
isHot=false;

function ddInit(e){
  topDog=isIE ? "BODY" : "HTML";
  whichDog=isIE ? document.all.theLayer : document.getElementById("theLayer");  
  hotDog=isIE ? event.srcElement : e.target;  
  while (hotDog.id!="titleBar"&&hotDog.tagName!=topDog){
    hotDog=isIE ? hotDog.parentElement : hotDog.parentNode;
  }  
  if (hotDog.id=="titleBar"){
    offsetx=isIE ? event.clientX : e.clientX;
    offsety=isIE ? event.clientY : e.clientY;
    nowX=parseInt(whichDog.style.left);
    nowY=parseInt(whichDog.style.top);
    if(nowX<0)nowX = 0;
    if(nowY<0)nowY = 0;
    ddEnabled=true;
    document.onmousemove=dd;
  }
}

function dd(e){
  if (!ddEnabled) return;
  whichDog.style.left=isIE ? ((nowX+event.clientX-offsetx<0)?0:nowX+event.clientX-offsetx) : ((nowX+e.clientX-offsetx<0)?0:nowX+e.clientX-offsetx); 
  whichDog.style.top=isIE ? ((nowY+event.clientY-offsety<0)?0:nowY+event.clientY-offsety) : ((nowY+e.clientY-offsety<0)?0:nowY+e.clientY-offsety);
  return false;  
}

function ddN4(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;
    if(N4x<0)N4x = 0;
    if(N4y<0)N4y = 0;
  }
  N4.onmousemove=function(e){
    if (isHot){      
      N4.moveBy(e.x-N4x,e.y-N4y);
      return false;
    }
  }
  N4.onmouseup=function(){
    N4.releaseEvents(Event.MOUSEMOVE);
  }
}


function prop(o){
var tw=window.open("","","toolbar=no,scrollbars=yes");
for (var p in o) {tw.document.write("<B>" + p + "</B>: "+o[p]+"<BR>");}
}

function hideMe(){
  if (isIE||isNN) whichDog.style.visibility="hidden";
  else if (isN4) document.theLayer.visibility="hide";
}

function showMe(){
if (isIE||isNN) {
  whichDog.style.visibility="visible";
  whichDog.style.top = document.body.scrollTop + 20;
  whichDog.style.left  = 150;
} else if (isN4) {
  document.theLayer.visibility="show";
  document.theLayer.top = 100;
}
}

document.onmousedown=ddInit;
document.onmouseup=Function("ddEnabled=false");



function showGallery(url_img, sText)
{
 document.imageInside.src = url_img;
showMe();
}

function showGallery2(url_img, sText)
{
 document.imageInside.src = url_img;
 showMe();
 return false;
}