// Global Variables 
var isMac, isMozilla, isOpera, isIE7;
// IE-specific version info
ieVersPlace = navigator.appVersion.indexOf('MSIE') + 5;
ieVers = navigator.appVersion.substr(ieVersPlace,1);
ieVersion = parseInt(ieVers);
// check for specific instance of Opera or Mozilla/Firefox (Netscape 5+)
isMozilla = ((navigator.appName.indexOf('Netscape') != -1) && (parseInt(navigator.appVersion) >= 5)) ? true : false;
isOpera = ((navigator.appName.indexOf('Opera') != -1) && (parseInt(navigator.appVersion) >= 8)) ? true : false;
isMac = (navigator.platform.indexOf("Mac") != -1) ? true : false;

if(isMac && isMozilla){
	document.write('<link href="style/soh_mac.css" rel="stylesheet" type="text/css" />');
}
if(isOpera){
	document.write('<link href="style/soh_opera.css" rel="stylesheet" type="text/css" />');
}
if(ieVersion >= 7){
	document.write('<link href="style/soh_ie7.css" rel="stylesheet" type="text/css" />');
}