function showHideText(element,text)
{
element.value = text;
element.onfocus = function() {
if(element.value == text) {
element.value = '';
}
}
element.onfocusout = function() {
if(element.value == '') {
element.value = text;
}
}
element.onchange = function() {
if(element.value == '') {
element.value = text;
}
}
}
function PopupImage(img,titre) {
w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=yes');
w.document.write(""+titre+"");
w.document.write("