var agt = navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);

var is_nav    = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1));
var is_nav4   = (is_nav && (is_major == 4));
var is_nav4up = (is_nav && (is_major >= 4));
var is_nav5   = (is_nav && (is_major == 5));
var is_nav5up = (is_nav && (is_major >= 5));

var is_ie    = (agt.indexOf("msie") != -1);
var is_ie4   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) );
var is_ie4up = (is_ie && (is_major >= 4));
var is_ie5   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")!=-1) );
var is_ie5up = (is_ie && !is_ie4);

var is_aol   = (agt.indexOf("aol") != -1);
var is_aol4  = (is_aol && is_ie4);

var is_opera = (agt.indexOf("opera") != -1);
var is_webtv = (agt.indexOf("webtv") != -1);

var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
var is_mac = (agt.indexOf("mac")!=-1);

var nscp4 = is_nav4
var ie4   = is_ie4
var dom1  = (is_nav5up || is_ie5up)

if (is_mac && is_ie5)
{	dom1 = false
}

if (is_nav4) {
	document.write('<link rel="stylesheet" href="styles/homepage_ns4.css" type="text/css">');
} else {
	document.write('<link rel="stylesheet" href="styles/homepage_ie.css" type="text/css">');
}