function selectionDate() {

	// On recupere les boites de selection
	var boiteSpectacles = document.getElementById("boiteSpectacles");
	var boiteTypesRepresentation = document.getElementById("boiteTypesRepresentation");

	// On recupere les valeurs selectionnees
	var spectacle = boiteSpectacles.options[boiteSpectacles.selectedIndex].value;
	var typeRepresentation = boiteTypesRepresentation.options[boiteTypesRepresentation.selectedIndex].value;

	// On recupere les valeurs associees
	
 	var tabDiv = document.getElementsByTagName("div");
	var tabDates = new Array();
	for (i=0; i < tabDiv.length; i++)
		if(tabDiv[i]['id'].substr(0, 6) == "date_n")
			tabDates.push(document.getElementById(tabDiv[i]['id']));

	for (i=0; i < tabDates.length; i++) {
		if ((spectacle != "tous" && tabDates[i].attributes["spectacle"].value != spectacle) || (typeRepresentation != "tous" && tabDates[i].attributes["typeRepresentation"].value != typeRepresentation))
			tabDates[i].style.display="none";
		else
			tabDates[i].style.display="";

	}
}

function popupDocument(doc) {
	var url="spip.php?page=popupDocument&document="+doc;
	window.open(url, "image", "toolbar=no, location=no, directories=no, status=yes, scrollbar=yes, resizable=yes, copyhistory=no, width=400, height=400, left=300, top=50");
}