if ((navigator.userAgent.indexOf("IE") != -1)) {
document.write("<link rel='stylesheet' type=text/css href='/stile_ie.css'>")
} else if (navigator.appName.indexOf("Netscape")>=0) {
document.write("<link rel='stylesheet' type=text/css href='/stile_ie.css'><link rel='stylesheet' type=text/css href='/stile_ff.css'>");
}else if (navigator.appName.indexOf("Opera")>=0) {
document.write("<link rel='stylesheet' type=text/css href='/stile_ie.css'>");
}
/*		if (navigator.userAgent.indexOf("Gecko")>-1){
			document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"lib/layout.css\" media=\"screen\"/>");
		}
		else {
			if (navigator.userAgent.indexOf("MSIE 7.0")>-1){
				document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"lib/layout.css\" media=\"screen\"/>");
			}
			else {
				document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"lib/layout_ie6.css\" media=\"screen\"/>");
			}
		}
*/