i1 = new Image;
      i1.src = "../App_Img/btn_acc_over.gif";
      i2 = new Image;
      i2.src = "../App_Img/btn_ter_over.gif";      
      i3 = new Image;
      i3.src = "../App_Img/btn_cav_over.gif";      
      i4 = new Image;
      i4.src = "../App_Img/btn_vins_over.gif";      
      i5 = new Image;
      i5.src = "../App_Img/btn_cont_over.gif";      
      i6 = new Image;
      i6.src = "../App_Img/btn_acces_over.gif";   
      i7 = new Image;
      i7.src = "../App_Img/btn_p1_over.gif";  
      i8 = new Image;
      i8.src = "../App_Img/btn_p2_over.gif"; 
      i9 = new Image;
      i9.src = "../App_Img/btn_nostarifs_over.gif";   
      i10 = new Image;
      i10.src = "../App_Img/btn_millesimes_over.gif";
      i11 = new Image;
      i11.src = "../App_Img/btn_tarifs_over.gif";