var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;


function showTSN(tsnid) {
	var subnavs = new Array("tsn-company","tsn-whatwedo","tsn-work","tsn-contact");

	for (i=0;i<subnavs.length;i++) {
		if (subnavs[i] != tsnid) {
			//if (!isIE)	Effect.Fade(subnavs[i], {duration: .3});
			// else $(subnavs[i]).hide();
			$(subnavs[i]).hide();
		} else {
			//if (!isIE)	Effect.Appear(subnavs[i], {duration: .3});
			// else $(subnavs[i]).show();
			 $(subnavs[i]).show();
		}
	}
	return false;
}

function hideTSN() {
	showTSN('');
	return false;
}


function showPromo(pid) {
	for (i=1;i<4;i++) {
		promoel = $('container-home-2-promo-b-'+i);
		if (i!=pid) {
			if (!isIE)	Effect.Fade(promoel);
			 else promoel.hide();
		} else {
			if (!isIE)	Effect.Appear(promoel);
			 else promoel.show();
		}
	} //Effect.toggle('container-home-2-promo-b-1','appear');
}

function hidePromo() {
	showPromo('');
	return false;
}

var isMouseOverMenu = false;
var isMouseOverPromo = false;
var isLoadedMenu = false;
var isLoadedPromo = false;

document.onmouseup = mouseUp;

function mouseUp() {
    if ((isLoadedMenu) && (!isMouseOverMenu)) {
        hideTSN();
    }
    if ((isLoadedPromo) && (!isMouseOverPromo)) {
        hidePromo();
    }

}