function MoreInfoPopup(){
  this.popup=null;
  this.titleObj=null;
  this.titleObjParentNode=null;
  this.titleObjNextSibling=null;
  this.titleObjOrginalDisplay="";
  this.titleObjOrginalPosition="";
  this.titleObjOrginalVisibility="";
  this.contentObj=null;
  this.contentObjParentNode=null;
  this.contentObjNextSibling=null;
  this.contentObjOrginalDisplay="";  
  this.contentObjOrginalPosition="";  
  this.contentObjOrginalVisibility="";
  this.dragger=null;
}
MoreInfoPopup.prototype.open=function(title,text,pos,width){
  if(!width) width=400;
  if(this.popup) this.close();
  if(!title){
    this.titleObj=createTextNode("");    
  }else if(typeof title =="string"){
    this.titleObj=document.createTextNode(title);
  }else if(title.parentNode){
    this.titleObj=title;
    this.titleObjParentNode=title.parentNode;
    this.titleObjNextSibling=title.nextSibling;
    this.titleObjOrginalDisplay=title.style.display;
    this.titleObjOrginalPosition=title.style.position;
    this.titleObjOrginalVisibility=title.style.visibility;
  }
  if(!text){
    this.contentObj=createTextNode("");    
  }else if(typeof text =="string"){
    this.contentObj=document.createTextNode(text);
  }else if(text.parentNode){
    this.contentObj=text;
    this.contentObjParentNode=text.parentNode;
    this.contentObjNextSibling=text.nextSibling;
    this.contentObjOrginalDisplay=text.style.display;
    this.contentObjOrginalPosition=text.style.position;
    this.contentObjOrginalVisibility=text.style.visibility;
  }

  this.popup=document.createElement("table");
  this.popup.className="tan-table"; this.popup.style.width=width+"px"; this.popup.style.position="absolute";
  this.popup.setAttribute('cellspacing','0');this.popup.setAttribute('cellpadding','0');
  var instance=this;
    var tbody=document.createElement("tbody");  
      var tr=document.createElement("tr");
        var td=document.createElement("td");
        td.className="podcast-header"; td.style.verticalAlign="top";
        td.style.padding="4px 10px 4px 10px";       
        td.setAttribute("isDragHandle",true);
        td.appendChild(this.titleObj);  
      tr.appendChild(td);
        td=document.createElement("td");
        td.style.textAlign="right";
        td.style.padding="4px 10px 4px 10px";
          var input=document.createElement("input");
          input.type="button"; input.value="Close"; input.className="ff-button";
          input.onmouseover=function(){this.className='ff-button-alt';};
          input.onfocus=function(){this.className='ff-button-alt';}; 
          input.onblur=function(){this.className='ff-button';};
          input.onmouseout=function(){this.className='ff-button';};
          input.onclick=function(){instance.close();};    
        td.appendChild(input);
      tr.appendChild(td);
    tbody.appendChild(tr);
      tr=document.createElement("tr");
        td=document.createElement("td");
        td.style.padding="4px 10px 4px 10px";        
        td.colSpan=2;
        td.appendChild(this.contentObj);
      tr.appendChild(td);
    tbody.appendChild(tr);

  this.popup.appendChild(tbody);
  if(this.titleObj.nodeType==1){
    this.titleObj.style.display="";
    this.titleObj.style.position="";
    this.titleObj.style.visibility="";
  }
  if(this.contentObj.nodeType==1){
    this.contentObj.style.display="";
    this.contentObj.style.position="";
    this.contentObj.style.visibility="";
  }

  document.body.appendChild(this.popup);
   
  pos.reposition(this.popup);
  this.dragger=new DragObject(this.popup);
  
}

MoreInfoPopup.prototype.close=function(){
  if(this.titleObj&&this.titleObjParentNode){
    this.titleObj.style.display=this.titleObjOrginalDisplay;
    this.titleObj.style.position=this.titleObjOrginalPosition;
    this.titleObj.style.visibility=this.titleObjOrginalVisibility;
    this.titleObjParentNode.insertBefore(this.titleObj,this.titleObjNextSibling);
  }
  if(this.contentObj&&this.contentObjParentNode){
    this.contentObj.style.display=this.contentObjOrginalDisplay;
    this.contentObj.style.position=this.contentObjOrginalPosition;
    this.contentObj.style.visibility=this.contentObjOrginalVisibility;
    this.contentObjParentNode.insertBefore(this.contentObj,this.contentObjNextSibling);
  }
  this.titleObj=null;
  this.titleObjParentNode=null;
  this.titleObjNextSibling=null;
  this.contentObj=null;
  this.contentObjParentNode=null;
  this.contentObjNextSibling=null;

  if(this.popup) document.body.removeChild(this.popup);
  this.popup=null;
}




var moreInfoPopup=new MoreInfoPopup();