<html>
<head>
<script type="text/javascript">
nom = '';
function affiche(){
for(var i=0; i<document.images.length;i++){
document.images[i].onclick=function(){nameImage(this.alt)}
}
}
function nameImage(text){
nom = text;
test()
}
/* function test(){
alert(nom);
}*/
</script>
</head>
<body onload="affiche()">
<img src="im_1.jpg" name="images1" width="256" height="192" border="1" alt="im_1">
<img src="im_2.jpg" name="images2" width="609" height="457" border="1" alt="im_2">
</body>
</html>