loadable = true;

function Loaded() {
	loadable = false;
}

function decodeURL(str){

    var s0, i, j, s, ss, u, n, f;

    s0 = "";                // decoded str

    for (i = 0; i < str.length; i++){   // scan the source str

        s = str.charAt(i);

        if (s == "+"){s0 += " ";}       // "+" should be changed to SP

        else {

            if (s != "%"){s0 += s;}     // add an unescaped char

            else{               // escape sequence decoding

                u = 0;          // unicode of the character

                f = 1;          // escape flag, zero means end of this sequence

                while (true) {

                    ss = "";        // local str to parse as int

                        for (j = 0; j < 2; j++ ) {  // get two maximum hex characters for parse

                            sss = str.charAt(++i);

                            if (((sss >= "0") && (sss <= "9")) || ((sss >= "a") && (sss <= "f"))  || ((sss >= "A") && (sss <= "F"))) {

                                ss += sss;      // if hex, add the hex character

                            } else {--i; break;}    // not a hex char., exit the loop

                        }

                    n = parseInt(ss, 16);           // parse the hex str as byte

                    if (n <= 0x7f){u = n; f = 1;}   // single byte format

                    if ((n >= 0xc0) && (n <= 0xdf)){u = n & 0x1f; f = 2;}   // double byte format

                    if ((n >= 0xe0) && (n <= 0xef)){u = n & 0x0f; f = 3;}   // triple byte format

                    if ((n >= 0xf0) && (n <= 0xf7)){u = n & 0x07; f = 4;}   // quaternary byte format (extended)

                    if ((n >= 0x80) && (n <= 0xbf)){u = (u << 6) + (n & 0x3f); --f;}         // not a first, shift and add 6 lower bits

                    if (f <= 1){break;}         // end of the utf byte sequence

                    if (str.charAt(i + 1) == "%"){ i++ ;}                   // test for the next shift byte


                    else {break;}                   // abnormal, format error

                }

            s0 += String.fromCharCode(u);           // add the escaped character

            }

        }

    }

    return s0;

}

function loadCookie(name) { 

        var allcookies = document.cookie; 

        if (allcookies == "") return ""; 

        var start = allcookies.indexOf(name + "="); 

        if (start == -1) return ""; 

        start += name.length + 1; 

        var end = allcookies.indexOf(';',start); 

        if (end == -1) end = allcookies.length; 

        return allcookies.substring(start,end); 

  }

function getName() { 

    userName = decodeURL(loadCookie('userName'))    
	if(userName == null || userName == ''){
		userName='ƒQƒXƒg';
	}
	
	return userName;
}

function getDone() { 

    done = decodeURL(loadCookie('done'))    
	if(done != ''){
		window.history.forward()
	}
}

function id_addCart(itemCode) {

	document.mainForm.beanname.value	= 'addOneCart';
	document.mainForm.HD_itemCode.value	= itemCode;
   		
	if(loadable){	
		Loaded();
		document.mainForm.submit();
		return false;
	}else{
		return false;
	}
}

function getPt() { 

    pt = decodeURL(loadCookie('pt'))    
	if(pt == null || pt == ''){
		pt='0';
	}
	
	return pt;
}

function getMsg() { 

    msg = decodeURL(loadCookie('msg'))    
	if(msg == null || msg == ''){
		msg=' ';
	} else {
		document.cookie = 'msg=;path=/;';
	}
	return msg;
}

function getCookie(cookieName) {

	var cookie = decodeURL(loadCookie(cookieName));

	return cookie;

}