// JavaScript Document
function addEvent( obj, type, fn ) {
if ( obj.attachEvent ) {
	obj['e'+type+fn] = fn;
	obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
	obj.attachEvent( 'on'+type, obj[type+fn] );
    } 
  else
      obj.addEventListener( type, fn, false );
 }
function removeEvent( obj, type, fn ) {
if ( obj.detachEvent ) {
    obj.detachEvent( 'on'+type, obj[type+fn] );
    obj[type+fn] = null;
    } 
  else
     obj.removeEventListener( type, fn, false );
}
window.onload = addLink;

function addLink() 
{
document.getElementById("gotoPhoto2").onclick = function () 
{
	var im = new Image();
	im.src = "images/entreprise/2.jpg"
	document.getElementById("imgportefen").src = im.src;
};
document.getElementById("gotoPhoto1").onclick = function () 
{
	var im = new Image();
	im.src = "images/entreprise/1.jpg"
	document.getElementById("imgportefen").src = im.src;
};
document.getElementById("gotoPhoto3").onclick = function () 
{
	var im = new Image();
	im.src = "images/entreprise/3.jpg"
	document.getElementById("imgportefen").src = im.src;
};
document.getElementById("gotoPhoto4").onclick = function () 
{
	var im = new Image();
	im.src = "images/entreprise/4.jpg"
	document.getElementById("imgportefen").src = im.src;
};
document.getElementById("gotoPhoto5").onclick = function () 
{
	var im = new Image();
	im.src = "images/entreprise/5.jpg"
	document.getElementById("imgportefen").src = im.src;
};
}