var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height) {
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin=open(URLStr,'popUpWin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top+'');
}

function auto_tag(tag_name) {
        if (window.attachEvent) {
                window.attachEvent("onload", function() {
                        var el = document.getElementsByTagName(tag_name);
                        set_auto_tag(el);
                });
        }
}

function set_auto_tag (el) {
        for (var i=0; i<el.length; i++) {
            if (el[i].target == '_blank'){
                        el[i].className+=" onw";
            }
        }
}

//auto_tag("A");

isDOM=document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
isMSIE=document.all && document.all.item //Microsoft Internet Explorer 4+
isNetscape4=document.layers //Netscape 4.*
isOpera=window.opera //Opera
isOpera5=isOpera && isDOM //Opera 5+
isMSIE5=isDOM && isMSIE && !isOpera //MSIE 5+
isMozilla=isNetscape6=isDOM && !isMSIE && !isOpera

var obj;

function getLayer(layerName, parentLayerName){
  if(isDOM){ return document.getElementById(layerName); }
  if(isMSIE){ return document.all[layerName]; }
  if(isNetscape4){ return eval('document.layers[layerName]'); }
  return false;
}

function ts(e,what){
  mousex = e.clientX;
  mousey = e.clientY;
  pagexoff = 0;
  pageyoff = 0;
  if(isMSIE5){
    pagexoff = document.body.scrollLeft;
    pageyoff = document.body.scrollTop;
  }
  else{
    pagexoff = window.pageXOffset;
     pageyoff = window.pageYOffset;
  }
  if(getLayer(what)){
    if(isNetscape4)
      obj = getLayer(what);
    else
      obj = getLayer(what).style;

          if(obj){
            leftoff = mousex-pagexoff;
            obj.left = (mousex+pagexoff);

            topoff = mousey-pageyoff;
              obj.top = (mousey+pageyoff) + 20;


            if(isNetscape4)
              obj.visibility = 'show';
            else
              obj.visibility = 'visible';
          }
   }
  return true;
}

function tc(){
  if(obj){
    if(isNetscape4)
      obj.visibility = 'hide';
    else
      obj.visibility='hidden';
  }
  return true
}

var win = null;
function nwin(mypage,myname,w,h,scroll){LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;TopPosition = (screen.height) ? (screen.height-h)/2 : 0;settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}