function openPopup(fenetre){
 // affichage du popup
 document.getElementById(fenetre).style.display = "block";
 // masquage des elements select de la page (bug IE 6 et inferieurs)
 var elemSel = document.getElementsByTagName("select");
 for (var i=0; i < elemSel.length; i++) elemSel[i].style.visibility="hidden";

 //Changement de feuille de style PRINT
 changePrintStyle(1)
}

function closePopup(fenetre){
 // masquage du popup
 document.getElementById(fenetre).style.display = "none";
 // affichage des elements select de la page (bug IE 6 et inferieurs)
 var elemSel = document.getElementsByTagName("select");
 for (var i=0; i < elemSel.length; i++) elemSel[i].style.visibility="visible";

 //Changement de feuille de style PRINT
 changePrintStyle(0);
}

function changePrintStyle(x) {

	if (x == 1) { 
		cssprint2 = false;
		cssprint = true;
	}
	else {
		cssprint2 = true;
		cssprint = false;
	}
	document.getElementById('link-print2').disabled = cssprint2;
	document.getElementById('link-print').disabled = cssprint;
}