function open_mega() {
	var target = 'megamenu';
	var obj = (document.getElementById)? document.getElementById(target) : eval("document.all[target]");
	if (obj.style.display == "none") {
		$("#megamenu").fadeIn('normal');
	} else if (obj.style.display == "block") {
		$("#megamenu").fadeOut('slow');
	} else {
		$("#megamenu").fadeIn('normal');
	} 
}
function close_mega() {
	$("#megamenu").fadeOut('slow');
}