browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
NS4=((document.layers)||((browserName == "Netscape") && (browserVer >= 3)))?true:false;
IE4=(document.all)?true:false;
V4=(NS4 || IE4)?true:false;

timer1 = setTimeout("",0);

if (V4)
{
c1on=new Image();
c1on.src="img/int/bt_decouv_metiers_on.gif";
c1off=new Image();
c1off.src="img/int/bt_decouv_metiers_off.gif";

c2on=new Image();
c2on.src="img/int/bt_corio_recrut_on.gif";
c2off=new Image();
c2off.src="img/int/bt_corio_recrut_off.gif";

c3on=new Image();
c3on.src="img/int/bt_candidature_on.gif";
c3off=new Image();
c3off.src="img/int/bt_candidature_off.gif";


}
function act(imgName)
 {
 if (V4)
    {canceltime();
     imgOn = eval(imgName + "on.src");
      document[imgName].src = imgOn;
    }
}

function inact(imgName)
 {
    {
     imgOff = eval(imgName + "off.src");
       document[imgName].src = imgOff;
    }
}

function canceltime(){if(V4){clearTimeout(timer1);}}