function changeOnclick(id, action) {
	$(id).next().down().writeAttribute("onclick", "");
	$(id).next().down().writeAttribute("href", "javascript:ocSlide('" + action + "');");
}

function ocSlide(direction) {
	var id = "chooseTop";
	var dur = 0.75;
	$(id).next().down(1).remove();
	$(id).next().down().insert("<img src='images/button_contactus_" + direction + "_off.gif' alt='contactez-nous' width='85' height='19' id='openCloseButton' />");
	if (browser != "ie6") {
		$(id).next().down(1).observe("mouseover", function() {
			this.writeAttribute("src", "images/button_contactus_" + direction + "_on.gif");
		});
		$(id).next().down(1).observe("mouseout", function() {
			this.writeAttribute("src", "images/button_contactus_" + direction + "_off.gif");
		});
	}
	if (direction == "up") {
		Effect.SlideUp(id, {
			duration: dur
		});
		setTimeout("changeOnclick('" + id + "', 'down')", 750);
	} else {
		Effect.SlideDown(id, {
			duration: dur
		});
		setTimeout("changeOnclick('" + id + "', 'up')", 750);
	}
}

function dropDown() {
	$("chooseCga").insert("<div id='chooseBottom'><a href='#' title='contactez-nous' onclick='return false;'><img src='images/button_contactus_up_off.gif' alt='contactez-nous' width='85' height='19' id='openCloseButton' /></a></div>");
	if (browser != "ie6") {
		$("openCloseButton").observe("mouseover", function() {
			this.writeAttribute("src", "images/button_contactus_up_on.gif");
		});
		$("openCloseButton").observe("mouseout", function() {
			this.writeAttribute("src", "images/button_contactus_up_off.gif");
		});
	}
	ocSlide("up");
}