var plataform=navigator.platform;

var browser=navigator.appName;



if (plataform == "MacPPC") {

			document.write('<LINK REL=StyleSheet HREF="css/mac.css" TYPE="text/css">');	

	}else{

		if (browser == "Netscape"){

		   document.write('<LINK REL=StyleSheet HREF="css/netscape.css" TYPE="text/css">');	

		}else{   

			   document.write('<LINK REL=StyleSheet TYPE="text/css" HREF="css/explorer.css">');

		 }

}
document.write('<LINK REL=StyleSheet TYPE="text/css" HREF="styles.css">');