function popup_page(page) {
window.open(page,'','scrollbars=no,menubar=yes,height=400,width=600,resizable=yes,toolbar=no,location=no,status=no');
}

function check_search() {
var txt = document.getElementById("txtSearchBox");
if (txt.value == "Rechercher...")
   txt.value = "";
else if (txt.value == "")
   txt.value = "Rechercher...";

}