//Windows
version = "";

if (navigator.userAgent.indexOf("Win", 0) >= 0) {
	if (navigator.userAgent.indexOf("MSIE 6", 0) >= 0) {
		version="win-ie";
	} else if (navigator.userAgent.indexOf("MSIE 5", 0) >= 0) {
		version="win-ie5";
	} else if (navigator.userAgent.indexOf("Gecko", 0) >= 0) {
		version="win-mozila";
	}

//Mac X
} else if (navigator.userAgent.indexOf("AppleWebKit", 0) >= 0) {
		version="mac-safari";

//Mac 9 & other
}  else if (navigator.userAgent.indexOf("MSIE", 0) >= 0) {
		version="mac-ie";
}  else if (navigator.userAgent.indexOf("Gecko", 0) >= 0) {
		version="mac-mozila";
}

if (version.length > 1){
	document.write('<link rel="stylesheet" type="text/css" href="../css/'+version+'.css">')
}