var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
   browserType= "gecko"
}
//alert (browserType);

// LOGIN ---------------------------------------------
function logUser(url) {
    var login  = prompt("Veuillez saisir votre nom d'utilisateur svp.", "nom d'utilisateur");
    var passwd = prompt("Veuillez saisir votre mot de passe maintenant.", "mot de passe");
    passwd = sha1Hash(passwd);
    var newUri = url + '&login=' + login + '&passwd=' + passwd;
    alert (newUri);
    window.location = newUri;
};
//------------------------------------------------


var win;

// GESTION FENETRE (OUVRIR ET FERMER)---------------------------
function ouvreWin(go_url,winname,x,y){
  param = 'status=no,toolbar=no,location=no,resizable=yes,' + 'width=' + x + ',height=' + y ;
  
  //alert (eval(win));
  
  if ( '' + eval(win) != 'undefined' ) {
	//alert('existe');  
  	win.close();
	win = window.open( go_url, winname,param );
  }else {
	//alert('existe pas' );  
	win = window.open( go_url, winname,param );
  }
};

function finFen() {
  alert('Au Revoir... :-)');
  window.close();
};
//----------------------------------------------


// FONCTION OK SCRIPT ---------------------------------
function okScript () {
  alert ('ca marche!') ;
  return;
};
//-------------------------------------------------

// showLayer() ------------------------------------------
function showLayer(tgt) { 
    var myRef;
    myRef = eval( 'document.getElementById("' + tgt + '")' );
    myRef.style.visibility = 'visible';
}
function showPanel(tgt) { 
    showLayer(tgt);
}

// hideLayer() ------------------------------------------
function hideLayer(tgt) { 
    var myRef;
    myRef = eval( 'document.getElementById("' + tgt + '")' );
    myRef.style.visibility = 'hidden';
}
function hidePanel(tgt) { 
    hideLayer(tgt);
}

// swapLayer() ------------------------------------------
function swapLayer(tgt) { 
    //alert (tgt);
    var myRef; var stt;
     
    //alert ('document.getElementById("' + tgt + '")');
    myRef = eval( 'document.getElementById("' + tgt + '")' );
    stt = myRef.style.visibility;
    myRef.style.visibility = (stt == 'visible') ? 'hidden' : 'visible'; 
}
function switchPanel(tgt) {
    swapLayer(tgt);
}

// switchButton ------------------------------------------------------
function switchButton(bt,stt) { 
     //alert('je rentre ici. bt=' + bt + ' stt=' + stt);

var curSrc = document.images[bt].src;
var curStt = document.images[bt].src.substr( curSrc.length - 7,3);
var newStt = '';
var newSrc = '';


    //alert('curStt : ' + curStt + "\ncurSrc : " + curSrc);
 
switch (stt) {
  case 'ovr' :
    newStt = ( curStt == 'dwn' ) ? 'dov' : 'ovr' ;
    break ;
  case 'out' :
    newStt = ( curStt == 'dov' ) ? 'dwn' : 'idl' ;
    break ;
  case 'dwn' :
    //newStt = ( curStt == 'ovr' ) ? 'dov' : 'dwn' ;
    newStt = 'dwn';
    break ;
  case 'idl' :
    newStt = 'idl';
    break ;
};

newSrc = curSrc.substr(0,curSrc.length - 7) + newStt + '.png';

     //alert('newStt : ' + newStt + "\nnewSrc : " + newSrc);

document.images[bt].src = newSrc;
    //  var toto = document.images[bt].src
    //  alert(toto);
    //  alert('je kite la sub ici');


}
//---------------------------------------------------------------------