function affiche1()
{document.picsfull.src="images/salledeclasse/salle1_big.gif";}
function affiche2()
{document.picsfull.src="images/salledeclasse/salle2_big.gif";}
function affiche3()
{document.picsfull.src="images/salledeclasse/salle3_big.gif";}
function affiche4()
{document.picsfull.src="images/salledeclasse/salle4_big.gif";}
function affiche5()
{document.picsfull.src="images/salledeclasse/salle5_big.gif";}
function affiche6()
{document.picsfull.src="images/salledeclasse/salle6_big.gif";}