ie =  document.all ? true : false;
    // script que condiciona o Browser do menu de SERVIÇOS PARA VOCÊ
    
    NS4 = (document.layers);
    IE4 = (document.all);
        ver4 = (NS4 || IE4);
    	 IE5 = (IE4 && navigator.appVersion.indexOf("5.")!=-1);
       isMac = (navigator.appVersion.indexOf("Mac") != -1);
      isMenu = (NS4 || (IE4 && !isMac) || (IE5 && isMac));
    function popUp(){return};
    function popDown(){return};
    if (!ver4) event=null;
    
    // dhtml do menu dropdown de serviços
    var netscape   = (navigator.appName.indexOf("Netscape") >= 0 && parseFloat(navigator.appVersion) >= 4) ? true : false;
    var explorer   = (document.all) ? true : false;
    
    function HideLayer(layer) {
    	if (netscape) document[layer].visibility = "hide";
    	if (explorer) document.all[layer].style.visibility = "hidden";
    }
    
    function ShowLayer(layer) {
    	if (netscape) document[layer].visibility = "show";
    	if (explorer) document.all[layer].style.visibility = "visible";
    }
    // fim do dhtml do menu dropdown de serviços
  
  
    function imgOn(image,imgName) {
      document[image].src = 'contents/' + [imgName];
    }
    function imgOff(image,imgName) {
      document[image].src = 'contents/' + [imgName];
    }