function dispImagePym() {
    document.getElementById("fitpyr").style.visibility = "visible";
    window.scrollTo(0,100);
  }
  
  function closeImagePym() {
    document.getElementById("fitpyr").style.visibility = "hidden";
  }
  
  function preview_url(url) {
    window.open(url);
  }
  
  function getposOffset(overlay, offsettype){
    var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
    var parentEl=overlay.offsetParent;
    while (parentEl!=null){
      totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
      parentEl=parentEl.offsetParent;
    }
    return totaloffset;
  }

  function overlay(curobj, subobjstr, opt_position){
    if (document.getElementById){
      var subobj=document.getElementById(subobjstr)
      subobj.style.display=(subobj.style.display!="block")? "block" : "none"
      var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
      var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
      subobj.style.left=xpos+"px"
      subobj.style.top=ypos+"px"
      return false
    }
    else
    return true
  }

  function overlayclose(subobj){
    document.getElementById(subobj).style.display="none"
  }
  
  function centerCell(id) {
    document.getElementById(id).style.textAlign="center";
  }
  
  function doCloseWin() {
    window.opener = top;
    window.close();
  }