var products = ['serinaid','alphasize','phospholean','ironaid','omegaaid'];

function logoShow(id) {
	document.getElementById(id+'_img').style.visibility = 'visible';
	var p;
	for (var i=0;i<products.length;i++) {
		p = products[i];
		if (p!=id) {
			var logo = document.getElementById(p+'_logo');
			fx.fade(logo,0.5,null,0.1);
		}
	}
}
function logoHide(id) {
	document.getElementById(id+'_img').style.visibility = 'hidden';
	var p;
	for (var i=0;i<products.length;i++) {
		p = products[i];
		if (p!=id) {
			var logo = document.getElementById(p+'_logo');
			fx.fade(logo,1,null,0.1);
		}
	}
}