function fadein(activate) {
    var browserName = navigator.appName;
    var browserVersion = parseInt(navigator.appVersion);
    var isIE = false;
    var isNN = false;
    var isDOM = false;
    var isDomIE = false;
    var isDomNN = false;
    var isIE = browserName.indexOf("Microsoft Internet Explorer" )==-1?false:true;
    var isNN = browserName.indexOf("Netscape")==-1?false:true;
    var isOpera = browserName.indexOf("Opera")==-1?false:true;
    var isDOM = document.getElementById?true:false;
    var isDomNN = document.layers?true:false;
    var isDomIE = document.all?true:false;
    if (activate == "2") {
      if (isDOM)
        document.getElementById('tec').style.display="block"
      else if (isDomIE)
        document.all[tec].style.display="block";
      else if (isDomNN)
        document.layers[tec].display="block";
    } else {
      if (isDOM)
        document.getElementById('tec').style.display="none"
      else if (isDomIE)
        document.all[tec].style.display="none";
      else if (isDomNN)
        document.layers[tec].display="none";
    }
    if (activate == "3") {
      if (isDOM)
        document.getElementById('prod').style.display="block"
      else if (isDomIE)
        document.all[prod].style.display="block";
      else if (isDomNN)
        document.layers[prod].display="block";
    } else {
      if (isDOM)
        document.getElementById('prod').style.display="none"
      else if (isDomIE)
        document.all[prod].style.display="none";
      else if (isDomNN)
        document.layers[prod].display="none";
    }
    if (activate == "4") {
      if (isDOM)
        document.getElementById('cust').style.display="block"
      else if (isDomIE)
        document.all[cust].style.display="block";
      else if (isDomNN)
        document.layers[cust].display="block";
    } else {
      if (isDOM)
        document.getElementById('cust').style.display="none"
      else if (isDomIE)
        document.all[cust].style.display="none";
      else if (isDomNN)
        document.layers[cust].display="none";
    }
    if (activate == "5") {
      if (isDOM)
        document.getElementById('manu').style.display="block"
      else if (isDomIE)
        document.all[manu].style.display="block";
      else if (isDomNN)
        document.layers[manu].display="block";
    } else {
      if (isDOM)
        document.getElementById('manu').style.display="none"
      else if (isDomIE)
        document.all[manu].style.display="none";
      else if (isDomNN)
        document.layers[manu].display="none";
    }
}
function fadeinstandard () {
  fadein(2);
}