// vdg_hp_dhtml.php
//alert ( "vdg_hp_dhtml.php()0" );
var DHTML = false,
    DOM = false,
    MSIE4 = false,
    NS4 = false,
    Opera = false,
    Konqueror = false,
    Safari = false,
    Mozilla = false,
    Firefox = false,
    Flock = false,
    Chrome = false,
    Iron = false, // ab 2009-10-17
    myBrowser = "unknown",
    browserVersionDa = false,
    browserVersion = 0;
if (document.getElementById) {
  DHTML = true;
  DOM = true;
} else {
  if (document.all) {
    DHTML = true;
    MSIE4 = true;
  } else {
    if (document.layers) {
      DHTML = true;
      NS4 = true;
    }
  }
}
var check_navigator = false;
var nUA = navigator.userAgent;
var idx = 0;
var browser = "";
function setBrowser ( vers, art ) {
var idx2;
  browserVersionDa = true;
  switch ( art ) {
  case 0:
    vers = parseInt(vers);
  case 1:
    break;
  case 2:
    var brow = vers+"/";
    var idx = nUA.indexOf(brow);
    brow = nUA.substring(idx + brow.length);
    idx = brow.indexOf(" ");
    if ( idx == -1 ) vers = brow.substring(0);    else             vers = brow.substring(0,idx);
    break;
  }
  browserVersion = vers;
  //alert ( "browserVersion="+browserVersion );
  myBrowser = myBrowser + " (" + browserVersion + ")";
}
if ( check_navigator ) alert ( "DHTML="+DHTML+", navigator.userAgent='" + nUA + "'" );
if (window.opera) {
  Opera = true;
  myBrowser = "Opera";
  setBrowser ( opera.version(), 1 );
} else {
  if ( document.all ) {
    MSIE4 = true;
    idx = nUA.indexOf(" MSIE");
    myBrowser = nUA.substr(idx+1);
    idx = myBrowser.indexOf(";");
    myBrowser = myBrowser.substring(0,idx); // "InternetExplorer";
    if ( check_navigator ) alert ( "myBrowser='" + myBrowser + "'" );
    setBrowser ( myBrowser.substr(5)*10, 0 );
  } else {
    browser = "Netscape";  idx = nUA.indexOf(browser); if ( idx != -1 ) { NS4 = true;       myBrowser = browser;                              } else {
    browser = "Konqueror"; idx = nUA.indexOf(browser); if ( idx != -1 ) { Konqueror = true; myBrowser = browser;                              } else {
    browser = "Chrome";    idx = nUA.indexOf(browser); if ( idx != -1 ) { Chrome = true;    myBrowser = browser; setBrowser ( browser, 2 );   } else {
    browser = "Iron";      idx = nUA.indexOf(browser); if ( idx != -1 ) { Iron = true;      myBrowser = browser; setBrowser ( browser, 2 );   } else {
    browser = "Safari";    idx = nUA.indexOf(browser); if ( idx != -1 ) { Safari = true;    myBrowser = browser; setBrowser ( "Version", 2 ); } else {
    browser = "Flock";     idx = nUA.indexOf(browser); if ( idx != -1 ) { Flock = true;     myBrowser = browser; setBrowser ( browser, 2 );   } else {
    browser = "Firefox";   idx = nUA.indexOf(browser); if ( idx != -1 ) { Firefox = true;   myBrowser = browser; setBrowser ( browser, 2 );   } else {
    browser = "Gecko";     idx = nUA.indexOf(browser); if ( idx != -1 ) { Mozilla = true;   myBrowser = "Mozilla";                            } else {
    myBrowser = "unknown: " + nUA;
    } } } } } } } }
  }
}
function getElement (Mode, Identifier, ElementNumber) {
  var Element, ElementList;
  if (DOM) {
    if (Mode.toLowerCase() == "id") {
      Element = document.getElementById(Identifier);
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "name") {
      ElementList = document.getElementsByName(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      ElementList = document.getElementsByTagName(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  if (MSIE4) {
    if (Mode.toLowerCase() == "id" || Mode.toLowerCase() == "name") {
      Element = document.all(Identifier);
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      ElementList = document.all.tags(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  if (NS4) {
    if (Mode.toLowerCase() == "id" || Mode.toLowerCase() == "name") {
      Element = document[Identifier];
      if (!Element) {
        Element = document.anchors[Identifier];
      }
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "layerindex") {
      Element = document.layers[Identifier];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  return false;
}
function getAttribute (Mode, Identifier, ElementNumber, AttributeName) {
  var Attribute;
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM || MSIE4) {
    Attribute = Element.getAttribute(AttributeName);
    return Attribute;
  }
  if (NS4) {
    Attribute = Element[AttributeName];
    if (!Attribute) {
       Attribute = false;
    }
    return Attribute;
  }
  return false;
}
function getContent (Mode, Identifier, ElementNumber) {
  var Content;
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM && Element.firstChild) {
    if (Element.firstChild.nodeType == 3) {
      Content = Element.firstChild.nodeValue;
    } else {
      Content = "";
    }
    return Content;
  }
  if (MSIE4) {
    Content = Element.innerText;
    return Content;
  }
  return false;
}
function setContent (Mode, Identifier, ElementNumber, Text) {
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM && Element.firstChild) {
    Element.firstChild.nodeValue = Text;
    return true;
  }
  if (MSIE4) {
    Element.innerText = Text;
    return true;
  }
  if (NS4) {
    Element.document.open();
    Element.document.write(Text);
    Element.document.close();
    return true;
  }
}
//alert ( "vdg_hp_dhtml.php()1" );