function set_cookie(name,param) {

	var c_data = name + "=" + escape(param);
	c_data += "; expires=" + "Thu, 31 Dec 2037 12:00:00 GMT";
	c_data += "; path=/";


	document.cookie = c_data ;
}

function get_cookie(name) {
	var c_data = document.cookie + ";";
	var c_name = name + "=";

	var id_st = c_data.indexOf(c_name);
	var id_en = -1;


	if (id_st != -1 ) {
		id_en = c_data.indexOf(";", id_st);
		c_data = unescape(c_data.substring(id_st + c_name.length, id_en));
	} else {
		c_data = "";
	}


	return c_data;
}

/* 

*/


/* user agent */
var _agent = navigator.userAgent.toLowerCase();
var _an    = navigator.appName;
var _ua    = navigator.userAgent;

/* platform */
var _win = (_agent.indexOf('win') != -1);
var _mac = (_agent.indexOf('mac') != -1);


/* browser version */
var _major = parseInt(navigator.appVersion);
var _minor = parseFloat(navigator.appVersion);


/* internet explorer */
var _ie    = (_agent.indexOf('msie ') != -1);
var _ie3   = (_ie && (_major < 4));
var _ie4   = (_ie && (_major == 4) && (_agent.indexOf('msie 5') == -1));
var _ie4up = (_ie && (_major >= 4));
var _ie45  = (_ie && (_minor == 4.5));
var _ie5   = (_ie && (_major == 4) && (_agent.indexOf('msie 5') != -1));
var _ie51  = (_ie && (_major == 4) && (_agent.indexOf('msie 5.1') != -1));
var _ie5up = (_ie && !_ie3 && !_ie4);
var _ie6   = (_ie && (_major == 4) && (_agent.indexOf('msie 6') != -1));

/* netscape */
var _ns    = ((_agent.indexOf('mozilla') != -1) && (_agent.indexOf('compatible') == -1));
var _ns2   = (_ns && (_major == 2));
var _ns3   = (_ns && (_major == 3));
var _nav   = (_ns && ((_agent.indexOf(';nav') != -1) || (_agent.indexOf('; nav') != -1)));
var _nav3  = (_ns && _nav && (_major == 3));
var _nav4  = (_ns && _nav && (_major == 4));
var _ns4   = (_ns && (_major == 4));
var _ns4up = (_ns && (_major >= 4));
var _ns6   = (_ns && (_major == 5));
var _ns6up = (_ns && (_major >= 5));
var _ns61  = (_ns6 && (_agent.indexOf('netscape6/6.1') != -1));
var _ns62  = (_ns6 && (_agent.indexOf('netscape6/6.2') != -1));
var _ns7   = (_agent.indexOf('netscape/7') != -1);

/* safari */
var _saf   = (_ua.indexOf("Safari") != -1);

/* mozilla */
var _moz   = (_ns6 && (_agent.indexOf('netscape') == -1));

/* opera */
var _opera  = (_agent.indexOf('opera') != -1);
var _opera5 = (_opera && (_major == 5));
var _opera6 = (_opera && (_major == 6));
var _opera7 = (_opera && (_major == 7));

/* Mac OS@ */
var _mac_os10_ie = (_ua.indexOf('MSIE 5.2') != -1) || ((_ua.indexOf('mozilla') != -1) && (_ua.indexOf('Mac OS X') != -1));
var _mac_os10_ns = (_ua.indexOf('Mac OS X') != -1);


//
function check_one_number(number) {
	number_0 = "0123456789";
	for ( Z=0 ; Z<10 ; Z++ ) {
		if ( number == number_0.charAt(Z) ) { return true; }
	}
	return false;
}


function set_cssType(mode) {
	var cssType = get_cookie("CSSTYPE");
	if ( cssType != mode ) {

		set_cookie("CSSTYPE",mode);

		location.reload();
	}
}

var cssType;

function set_css() {
	cssType = get_cookie("CSSTYPE");
	var cssSrc;

	if (cssType=="0") {   // -2
		if (_win && _ie) {
			cssSrc = "win_ie_0.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_0.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_0.css";
		} else if (_saf) {
			cssSrc = "mac_saf_0.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_0.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_0.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_0.css";
		} else {
			cssSrc = "win_ie_0.css";
		}
	} else if (cssType=="1") {   // -1
		if (_win && _ie) {
			cssSrc = "win_ie_1.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_1.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_1.css";
		} else if (_saf) {
			cssSrc = "mac_saf_1.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_1.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_1.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_1.css";
		} else {
			cssSrc = "win_ie_1.css";
		}
	} else if (cssType=="2") {   // 0
		if (_win && _ie) {
			cssSrc = "win_ie_2.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_2.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_2.css";
		} else if (_saf) {
			cssSrc = "mac_saf_2.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_2.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_2.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_2.css";
		} else {
			cssSrc = "win_ie_2.css";
		}
	}  else if (cssType=="3") {   // 1
		if (_win && _ie) {
			cssSrc = "win_ie_3.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_3.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_3.css";
		} else if (_saf) {
			cssSrc = "mac_saf_3.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_3.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_3.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_3.css";
		} else {
			cssSrc = "win_ie_3.css";
		}
	} else if (cssType=="4") {   // 2
		if (_win && _ie) {
			cssSrc = "win_ie_4.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_4.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_4.css";
		} else if (_saf) {
			cssSrc = "mac_saf_4.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_4.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_4.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_4.css";
		} else {
			cssSrc = "win_ie_4.css";
		}
	}else {   //
		if (_win && _ie) {
			cssSrc = "win_ie_2.css";
		} else if(_win && _ns6) {
			cssSrc = "win_nn6_2.css";
		} else if(_win && _ns4) {
			cssSrc = "win_nn4_2.css";
		} else if (_saf) {
			cssSrc = "mac_saf_2.css";
		} else if (_mac && _ie) {
			cssSrc = "mac_ie_2.css";
		 }else if (_mac && _ns6) {
			cssSrc = "mac_nn6_2.css";
		} else if (_mac && _ns4) {
			cssSrc = "mac_nn4_2.css";
		} else {
			cssSrc = "win_ie_2.css";
		}
	}
	var MSG = '<link href="common/css/' + cssSrc + '" rel="stylesheet" type="text/css">';
	document.write(MSG);
}
set_css();