// Précharge les images
  imgpld01=new Image; imgpld01.src="/images/home.gif";
  imgpld02=new Image; imgpld02.src="/images/haut.gif";
  imgpld03=new Image; imgpld03.src="/images/bas.gif";
  imgpld04=new Image; imgpld04.src="/images/postit.gif";
  imgpld05=new Image; imgpld05.src="/images/trombone.gif";
  imgpld06=new Image; imgpld06.src="/images/loupe.gif";
  imgpld07=new Image; imgpld07.src="/images/calcul2.gif";
  imgpld08=new Image; imgpld08.src="/images/graphe.gif";
  imgpld09=new Image; imgpld09.src="/images/barchart.gif";
  imgpld10=new Image; imgpld10.src="/images/piechart.gif";
  imgpld11=new Image; imgpld11.src="/images/chart.gif";
  imgpld12=new Image; imgpld12.src="/images/classeur.gif";
  imgpld13=new Image; imgpld13.src="/images/virem.gif";
  imgpld14=new Image; imgpld14.src="/images/docum.gif";
  imgpld15=new Image; imgpld15.src="/images/cheque1.gif";
//