function spectacles() {
if (document.all) {
var xMax = screen.width;
var xOffset = xMax * 0.5;
open("spectacles.htm","TCWindow",'width=340,height=273,left='+xOffset+',top=2');
}
else  {
	if (document.layers)
		var xMax = window.outerWidth;
	else 
		var xMax = 640;
var xOffset = xMax * 0.5;
open("spectacles.htm","TCWindow",'width=340,height=273,left='+xOffset+',top=2');
}
}