var opc;
var top;
function popup(url,opt){
  var win =
    window.open(url,'popup',opt);
  win.focus();
}

function turndisplay(idname,mode){
  var el = document.all(idname);
  if( el.style.display=='none' ){
    el.style.display=mode;
  }
  else{
    el.style.display='none';
  }
}

function PageInit(){
  opc = 0;
  top=0;
  var elm;
  elm = document.getElementById('refsearch');
  if( elm ){
    setInterval(itvAction,100);
    elm.style.left = document.getElementById('titletable').offsetWidth-elm.offsetWidth-10;
  }
}

function setopacity(elm,opc){
  elm.filters['alpha'].opacity = opc;
//  elm.style.filter = 'alpha(opacity=' + opc + ')';
  elm.style.MozOpacity = opc/100;
  elm.style.opacity = opc/100;
}

function itvAction()
{
  var elm;
  elm = document.getElementById('refsearch');
  if( top != document.documentElement.scrollTop ){
    opc = 0;
    setopacity(elm,opc);
  }
  top = document.documentElement.scrollTop;
  elm.style.top = top;
  if( opc<=80 ){
    setopacity(elm,opc);
    opc = opc + 10;
  }
}