image1 = new Image;
image1.src = "images/question1.png";
image2 = new Image;
image2.src = "images/question2.png";

function ChangeOnglet(idonglet)
{
     if ( idonglet == 1 )
     {
	     document.getElementById('div_rech_1').className = "intro_tab_actif";
	     document.getElementById('div_rech_2').className = "intro_tab_inactif";
	     document.getElementById('div_rech_3').className = "intro_tab_inactif";
	     document.getElementById('div_rechercher').style.display = "block";
	     document.getElementById('div_competences').style.display = "none";
	     document.getElementById('div_geographie').style.display = "none";
     }
     else if ( idonglet == 2 )
     {
	     document.getElementById('div_rech_1').className = "intro_tab_inactif";
	     document.getElementById('div_rech_2').className = "intro_tab_actif";
	     document.getElementById('div_rech_3').className = "intro_tab_inactif";
	     document.getElementById('div_rechercher').style.display = "none";
	     document.getElementById('div_competences').style.display = "block";
	     document.getElementById('div_geographie').style.display = "none";
     }
     else if ( idonglet == 3 )
     {
	     document.getElementById('div_rech_1').className = "intro_tab_inactif";
	     document.getElementById('div_rech_2').className = "intro_tab_inactif";
	     document.getElementById('div_rech_3').className = "intro_tab_actif";
	     document.getElementById('div_rechercher').style.display = "none";
	     document.getElementById('div_competences').style.display = "none";
	     document.getElementById('div_geographie').style.display = "block";
     }

}

function ChangeOngletBlog(idonglet)
{
     if ( idonglet == 1 )
     {
	     document.getElementById('div_blog_1').className = "intro_blog_actif";
	     document.getElementById('div_blog_2').className = "intro_blog_inactif";
	     document.getElementById('div_article').style.display = "block";
	     document.getElementById('div_blog').style.display = "none";
     }
     else if ( idonglet == 2 )
     {
	     document.getElementById('div_blog_1').className = "intro_blog_inactif";
	     document.getElementById('div_blog_2').className = "intro_blog_actif";
	     document.getElementById('div_article').style.display = "none";
	     document.getElementById('div_blog').style.display = "block";
     }

}