Si j'ai bien compris ce que tu veux faire, tu peux adapter le code que je t'ai donné pour ajouter des éléments :
> Javascript
function mouse_over(logo, fvb, baseline_fvb)
{
if(logo){
document.getElementById("logo").style.backgroundColor = "#b2b7cc";
document.getElementById("logo").style.color = "#fff";
}
if(fvb){
document.getElementById("fvb").style.backgroundColor = "#b2b7cc";
document.getElementById("fvb").style.color = "#fff";
}
if(baseline_fvb){
document.getElementById("baseline_fvb").style.backgroundColor = "#a7aab7";
document.getElementById("baseline_fvb").style.color = "#fff";
}
}
function mouse_out(logo, fvb, baseline_fvb)
{
if(logo){
document.getElementById("logo").style.backgroundColor = "#fff";
document.getElementById("logo").style.color = "#848eae";
}
if(fvb){
document.getElementById("fvb").style.backgroundColor = "#fff";
document.getElementById("fvb").style.color = "#848eae";
}
if(baseline_fvb){
document.getElementById("baseline_fvb").style.backgroundColor = "#fff";
document.getElementById("baseline_fvb").style.color = "#dcdcdc";
}
}
function mouse_over2(bloc_img_yse, bloc_title_yse, bloc_category_yse)
{
if(bloc_img_yse){
document.getElementById("bloc_title_yse").style.backgroundColor = "#a7aab7";
document.getElementById("bloc_title_yse").style.color = "#fff";
}
if(bloc_title_yse){
document.getElementById("bloc_category_yse").style.backgroundColor = "#a7aab7";
document.getElementById("bloc_category_yse").style.color = "#fff";
}
if(bloc_category_yse){
document.getElementById("bloc_img_yse").style.background = "url(img/btn/btn_yse02.jpg)";
}
}
function mouseOut(bloc_img_yse, bloc_title_yse, bloc_category_yse)
{
if(bloc_img_yse){
document.getElementById("bloc_title_yse").style.backgroundColor = "#e4e5e9";
document.getElementById("bloc_title_yse").style.color = "#a7aab7";
}
if(bloc_title_yse){
document.getElementById("bloc_category_yse").style.backgroundColor = "#e4e5e9";
document.getElementById("bloc_category_yse").style.color = "#a7aab7";
}
if(bloc_category_yse){
document.getElementById("bloc_img_yse").style.background = "url(img/btn/btn_yse01.jpg)";
}
}
>HTML
<div>
<a id="logo" onmouseover="mouse_over(false, true, true)" onmouseout="mouse_out(false, true, true)"></a>
<div class="header_title">
<a id="fvb" onmouseover="mouse_over(true, false, true)" onmouseout="mouse_out(true, false, true)" href="#">fvb</a>
<a id="baseline_fvb" onmouseover="mouse_over(true, true, false)" onmouseout="mouse_out(true, true, false)" href="#">Lorem Ipsum</a>
</div>
</div>
<div class="bloc_portfolio_first">
<a id="bloc_img_yse" onmouseover="mouse_over2(false, true, true)" onmouseout="mouse_out2(false, true, true)" href="#"></a>
<div class="bloc_content">
<a id="bloc_title_yse" onmouseover="mouse_over2(true, false, true)" onmouseout="mouse_out2(true, false, true)" href="#">yse</a>
<a id="bloc_category_yse" onmouseover="mouse_over2(true, true, false)" onmouseout="mouse_out2(true, true, false)" href="#">bijoux</a>
</div>
</div>
De cette facon, les 2 groupes de 3 liens interagissent avec leur groupe, et tu peux personnaliser le style de chaque lien.
En espérant que ca soit ca que tu veuilles :)