function MM_findObj(n, d) { //v4.0


  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {


    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}


  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];


  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);


  if(!x && document.getElementById) x=document.getElementById(n); return x;


}








function MM_preloadImages() { //v3.0


  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();


    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)


    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}


}








function preloadAlphabet()


{


  var letter=new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");


  for (i=0; i<26; i++)


    {


    b="../images/alphabet/letter_"+letter[i]+"_on.gif";


    MM_preloadImages(b);

    }


}





preloadAlphabet();











function MM_nbGroup(event, grpName) { //v3.0


  var i,img,nbArr,args=MM_nbGroup.arguments;


  if (event == "init" && args.length > 2) {


    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {


      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;


      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();


      nbArr[nbArr.length] = img;


      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {


        if (!img.MM_up) img.MM_up = img.src;


        img.src = img.MM_dn = args[i+1];


        nbArr[nbArr.length] = img;


    } }


  } else if (event == "over") {


    document.MM_nbOver = nbArr = new Array();


    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {


      if (!img.MM_up) img.MM_up = img.src;


      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];


      nbArr[nbArr.length] = img;


    }


  } else if (event == "out" ) {


    for (i=0; i < document.MM_nbOver.length; i++) {


      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }


  } else if (event == "down") {


    if ((nbArr = document[grpName]) != null)


      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }


    document[grpName] = nbArr = new Array();


    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {


      if (!img.MM_up) img.MM_up = img.src;


      img.src = img.MM_dn = args[i+1];


      nbArr[nbArr.length] = img;


  } }


}