function LoadStyles() {
    var loc;
	if (document.layers)
	 loc = '../_css/StylesNN.css'
	else if (navigator.appVersion.indexOf("Mac")!= -1)
	 loc = '../_css/StylesIEMac.css'
	else
	 loc = '../_css/StylesIEPC.css';
	document.write("<link rel='Stylesheet' href='" + loc + "' type='text/css'>");
}