default_info = "05 59 14 58 68";

function over_menu(i)
{ li = document.getElementById("menu_" + i);
  li_bottom = document.getElementById("li_bottom_" + i);
  if(li && li_bottom)
  { li.style.backgroundColor = "#2e8c9a";
    li.style.backgroundImage = "url(images/li_top_over.gif)";
	li_bottom.style.backgroundImage = "url(images/li_bottom_over.gif)";
  }
}

function out_menu(i)
{ li = document.getElementById("menu_" + i);
  li_bottom = document.getElementById("li_bottom_" + i);
  if(li && li_bottom)
  { li.style.backgroundColor = "#29bbcf";
    li.style.backgroundImage = "url(images/li_top.gif)";
	li_bottom.style.backgroundImage = "url(images/li_bottom.gif)";
  }
}

function over_sub_menu(i)
{ a = document.getElementById("a_sub_menu_" + i);
  if(a) a.style.textDecoration = "underline";
}

function out_sub_menu(i)
{ a = document.getElementById("a_sub_menu_" + i);
  if(a) a.style.textDecoration = "none";
}

function pre_load_imgs()
{ (new Image()).src = "images/home_over.gif";
  (new Image()).src = "images/contact_over.gif";
  (new Image()).src = "images/admin_over.gif";
}


function roll_over_home()
{ if(document.getElementById)
  { if(document.getElementById("a_home_item"))
    { document.getElementById("a_home_item").onmouseover = function()
	  { document.getElementById("img_home_item").src = "images/home_over.gif";
        document.getElementById("item_info").innerHTML = "Accueil";
      }
      document.getElementById("a_home_item").onmouseout  = function()
	  { document.getElementById("img_home_item").src = "images/home.gif";
        document.getElementById("item_info").innerHTML = default_info;
      }
    }
  }
}

function roll_over_contact()
{ if(document.getElementById)
  { if(document.getElementById("a_contact_item"))
    { document.getElementById("a_contact_item").onmouseover = function()
	  { document.getElementById("img_contact_item").src = "images/contact_over.gif";
        document.getElementById("item_info").innerHTML = "Contactez-nous";
      }
      document.getElementById("a_contact_item").onmouseout  = function()
	  { document.getElementById("img_contact_item").src = "images/contact.gif";
        document.getElementById("item_info").innerHTML = default_info;
      }
    }
  }
}

function roll_over_admin()
{ if(document.getElementById)
  { if(document.getElementById("a_admin_item"))
    { document.getElementById("a_admin_item").onmouseover = function()
	  { document.getElementById("img_admin_item").src = "images/admin_over.gif";
        document.getElementById("item_info").innerHTML = "Administration";
      }
      document.getElementById("a_admin_item").onmouseout  = function()
	  { document.getElementById("img_admin_item").src = "images/admin.gif";
        document.getElementById("item_info").innerHTML = default_info;
      }
    }
  }
}


function addLoadEvent(func)
{ var oldonload = window.onload;
  if(typeof window.onload != 'function') window.onload = func;
  else
  { window.onload = function()
    { if(oldonload) oldonload();
      func();
    }
  }
}

addLoadEvent(roll_over_home);
addLoadEvent(roll_over_contact);
addLoadEvent(roll_over_admin);
addLoadEvent(pre_load_imgs);