var image1 = new Image();
image1.src = "images/fmc/afremmen2.png";

var image2 = new Image();
image2.src = "images/fmc/doorrijden2.png";

var image3 = new Image();
image3.src = "images/fmc/stoppen2.png";

var sel_name = "";

function movepic(img_name,img_code) {
      if (sel_name != img_name) {
              if (img_code == 1) {
                      document[img_name].src=image1.src;
              } else {
                      document[img_name].src=image2.src;
              }
      }
}

function selbutton(img_name) {
      if (sel_name != "") {
              document[sel_name].src=image2.src;
      }
      sel_name=img_name;
      document[sel_name].src=image3.src;
      createCookie("FMCmenu", img_name, 0);
}

function initmenu(menu_naam) {
    var sel_name;
	sel_name = readCookie("FMCmenu");
	if (sel_name == null) {
		createCookie("FMCmenu", menu_naam, 0);
		sel_name = menu_naam;
	}
    selbutton(sel_name);
}

function createCookie(name,value,days)
{
        if (days)
        {
                var date = new Date();
                date.setTime(date.getTime()+(days*24*60*60*1000));
                var expires = "; expires="+date.toGMTString();
        }
        else var expires = "";
        document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for(var i=0;i < ca.length;i++)
        {
                var c = ca[i];
                while (c.charAt(0)==' ') c = c.substring(1,c.length);
                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
        }
        return null;
}