var Mac = navigator.appVersion.indexOf('Mac',0) != -1; // Mac
var Win = navigator.appVersion.indexOf('Win',0) != -1; // Win
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1; //IE
var NS  = navigator.appName.indexOf("Netscape",0) != -1; // Netscape
var Safari = navigator.userAgent.indexOf("AppleWebKit") != -1; // MacOS X Safari
var Opera6 = navigator.userAgent.indexOf("Opera/6.0") != -1; // Opera 6
var MacNS4 = navigator.userAgent.indexOf("Mozilla/4") != -1; // MacNS4.x
var MacNS6 = navigator.userAgent.indexOf("Netscape6/6.0") != -1; // MacNetscape 6.0
var MacIE4 = navigator.userAgent.indexOf("MSIE 4") != -1; // MacIE4.x
var Moz = navigator.userAgent.indexOf("Gecko") != -1; // Mozilla, Netscape 6.x, 7.x

var ver = (navigator.appVersion.charAt(0))
if (Mac && Safari){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_mac.css" media="screen,print">'); // for MacOS
}
else if (Mac && Opera6){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_mac.css" media="screen,print">'); // for MacOS X Opera 6.0
}
else if (Mac && IE){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_mac.css" media="screen,print">'); // for Mac IE5.x
}
else if (Mac && IE && MacIE4){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_non.css" media="screen,print">'); // for MacIE4.x
}
else if (Mac && NS && MacNS6){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_mac.css" media="screen,print">'); // for MacNS6.0
}
else if (Mac && Moz){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_mac.css" media="screen,print">'); // for MacNS6.2, NS7.0
}
else if (Mac && NS && MacNS4){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_non.css" media="screen,print">'); // for Mac NS4.x
}
else if (Moz){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_win.css" media="screen,print">'); // for WinNS6.x, 7.x
}
else if (document.layers){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_non.css" media="screen,print">'); // for Win NS4.x
}
else {
	document.write('<link rel="stylesheet" type="text/css" href="http://www.icap-japan.com/estate/common/css/sty_win.css" media="screen,print">'); // for other
}