var posX=0;
var posY=0;
var decalageX=-200;
var decalageY=-362;
var set=false;
var posXdef =0;
var posYdef =0;

function affImage(contenu) {
 if (!set && document.all) {
     	posX = document.all["affichage"].offsetLeft;
	posY =  document.all["affichage"].offsetTop;
	posXdef = posX - decalageX;
  	if (posXdef < 0) posXdef = 0;
  	posYdef= posY + decalageY;
	 set=true;
  }else if (!set && document.getElementById) {
   	posX = document.getElementById("affichage").offsetLeft;
	posY =  document.getElementById("affichage").offsetTop;
	posXdef = posX - decalageX;
	posYdef = posY + decalageY;
  	if (posXdef < 0) posXdef = 0;
	 set=true;
  }
 

  
  if (document.all) {
 with (document.all["affichage"]) {
      innerHTML = "<div style='border:1px solid;'><img "+contenu+" /></div>";
      style.top = posYdef;
      style.left = posXdef;
      style.visibility = "visible";
      }
    }
  else if (document.getElementById) {
      with (document.getElementById("affichage")) {
	  
      innerHTML = "<div style='border:1px solid;'><img "+contenu+" /></div>";
      style.top = posYdef;
      style.left = posXdef;
      style.visibility = "visible";
      }
    }
  }

function cachImage() {
  if (document.all) {
    document.all["affichage"].style.visibility="hidden";
    }
  else if (document.getElementById)
    {
    document.getElementById("affichage").style.visibility = "hidden";
    }
  }