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_nav2	= (is_nav && (is_major == 2));
var is_nav3	= (is_nav && (is_major == 3));
var is_nav4	= (is_nav && (is_major == 4));
var is_nav6	= (is_nav && is_major == 6);
var is_nav5	= (is_nav && is_major == 5 && !is_nav6);
var is_ie	= (agt.indexOf("msie") != -1);
var is_ie3	= (is_ie && (is_major < 4));
var is_ie4	= (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
var is_ie5	= (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );

var is_js;
if (is_nav2 || is_ie3) is_js = 1.0;
else if (is_nav3) is_js = 1.1;
else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
else if (is_nav5 && !(is_nav6)) is_js = 1.4;
else if (is_nav6) is_js = 1.5;
else if (is_nav && (is_major > 5)) is_js = 1.4;
else if (is_ie && (is_major > 5)) is_js = 1.3;
else is_js = 0.0;

var ckvalue = screen.width + '&' + screen.height + '&' + screen.colorDepth + '&' + is_js;
document.write('<IMG SRC="http://web-ad.hotrank.com.tw/binfo?' + ckvalue + '" BORDER=0 WIDTH=1 HEIGHT=1>');