setBrowser();

function afficheMenu(elementId) {
    if (document.getElementById(elementId)) {
	    if ((getIdProperty(elementId, "display" )) == "block") {
		    setIdProperty(elementId, "display", "none");
	    } else {
		    setIdProperty(elementId, "display", "block");
	    }
    }
}

function afficheSection(sectionNum) {
	var sectionPfx = 'icpe_';
	setIdProperty("flecheNext", "display", "none");
	setIdProperty("flechePrev", "display", "none");
	for (var i=1 ; i<=9 ; i++) {
		sectionId = sectionPfx + i;
		if (document.getElementById(sectionId)) {
			if (sectionNum != i) { 
				setIdProperty(sectionId, "display", "none"); 
			} else { 
				setIdProperty(sectionId, "display", "block");
			}
		}
	}
	for (var j=sectionNum+1 ; j<=9 ; j++) {
		if (document.getElementById(sectionPfx + j)) {
			setIdProperty("flecheNext", "display", "block");
			document.getElementById("flecheNext").onclick = function() { afficheSection(j); return false; };
			break;
		}
	}
	for (var k=sectionNum-1 ; k>=1 ; k--) {
		if (document.getElementById(sectionPfx + k)) {
			setIdProperty("flechePrev", "display", "block");
			document.getElementById("flechePrev").onclick = function() { afficheSection(k); return false; };
			break;
		}
	}
}