MENU_UserAgent = '';
MENU_NotOP= !(document.all && navigator.userAgent.indexOf('Opera')>=0); //true;
if ((document.getElementById) && !(document.all)) {
	MENU_UserAgent = 'NS';
	document.write('<LINK REL="STYLESHEET" ID="globalcss" TYPE="text/css" HREF="'+APP_URL+'include_css/global_ns.css">');
	document.write('<LINK REL="STYLESHEET" ID="maincss"  TYPE="text/css" HREF="'+APP_URL+'include_css/app_ns.css">');
} else if (!MENU_NotOP) {
	MENU_UserAgent = 'OP';
	document.write('<LINK REL="STYLESHEET" ID="globalcss" TYPE="text/css" HREF="'+APP_URL+'include_css/global_op.css">');
	document.write('<LINK REL="STYLESHEET" ID="maincss"  TYPE="text/css" HREF="'+APP_URL+'include_css/app_op.css">');
} else if (document.all){
	MENU_UserAgent = 'IE';
	document.write('<LINK REL="STYLESHEET" ID="globalcss" TYPE="text/css" HREF="'+APP_URL+'include_css/global_ie.css">');
	document.write('<LINK REL="STYLESHEET" ID="maincss"  TYPE="text/css" HREF="'+APP_URL+'include_css/app_ie.css">');
}