<!--
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];}}
}
//-->
<!-- hide

  // ok, we have a JavaScript browser
  var browserOK = false;
  var pics;

// -->
<!-- hide

  // JavaScript 1.1 browser - oh yes!
  browserOK = true;
  pics = new Array();

// -->
<!-- hide

var objCount = 0; // number of (changing) images on web-page

function preload(name, first, second) {  

  // preload images and place them in an array

  if (browserOK) {     
    pics[objCount] = new Array(3);
    pics[objCount][0] = new Image();
    pics[objCount][0].src = first;
    pics[objCount][1] = new Image();
    pics[objCount][1].src = second;
    pics[objCount][2] = name;
    objCount++;
  }
}

function on(name){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      if (document.images[pics[i][2]] != null)
        if (name != pics[i][2]) { 
          // set back all other pictures
          document.images[pics[i][2]].src = pics[i][0].src;
        } else {
           // show the second image because cursor moves across this image
           document.images[pics[i][2]].src = pics[i][1].src;
        }
    }
  }
}

function off(){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      // set back all pictures
      if (document.images[pics[i][2]] != null) 
        document.images[pics[i][2]].src = pics[i][0].src;
    }
  }
}

preload("link1", "img/mn_apres_off.gif", "img/mn_apres_on.gif");
preload("link2", "img/mn_area_off.gif", "img/mn_area_on.gif");
preload("link3", "img/mn_adv_off.gif", "img/mn_adv_on.gif");
preload("link4", "img/mn_clie_off.gif", "img/mn_clie_on.gif");
preload("link5", "img/mn_art_off.gif", "img/mn_art_on.gif");
preload("link6", "img/mn_cont_off.gif", "img/mn_cont_on.gif");
// -->