function sizefilter(maxsize) {
    var obj = event.srcElement;

    if (obj.value.bytes() > maxsize) {
        alert("Çã¿ë ¹üÀ§°¡ ÃÊ°úµÇ¾ú½À´Ï´Ù.\nÇѹø ´õ È®ÀÎÇØÁÖ¼¼¿ä\n" + "Çѱ۸¸" + maxsize/2 + "ÀÚ À̳» ȤÀº ¿µ¹®/¼ýÀÚ/±âÈ£¸¸ " + maxsize + "ÀÚ À̳»¿©¾ß °¡´ÉÇÕ´Ï´Ù.");
        obj.value = obj.value.cut(maxsize);
        obj.focus();
    }
}
function setCookieInfomation(name,value) {
    document.cookie = name + "=" + value + ";";
    //alert(document.cookie);
}
function getCookieInfomation(name) {
    var arg = name + "=";   //°¡Á®¿ï ÄíÅ° Á¤º¸ÀÇ ¸íĪ
    var arg_len = arg.length;   //°¡Á®¿Ã ÄíÅ° Á¤º¸ ¸íĪÀÇ ±æÀÌ Ã¼Å©
    var cookie_len = document.cookie.length;
    var cookie_size = document.cookie.bytes();  //ÇöÀç ÀúÀåµÈ ÄíÅ°ÀÇ ±æÀÌ Ã¼Å© (ÃÖ´ë 4096±îÁö ÀúÀå°¡´É)
    var i = 0;
    if(cookie_size > 4000) {
        alert("ÀÎÅÍ³Ý ¿É¼Ç¿¡¼­ ÄíÅ°¸¦ »èÁ¦ÇÏ½Ã°í ´Ù½Ã ½ÃµµÇØÁÖ¼¼¿ä.");
        return overflow;
    }
    while(i < cookie_len) {
        var j = i + arg_len;    //Àоî¾ß ÇÒ ¸íĪÀÇ ³¡ºÎºÐ À§Ä¡ ¼³Á¤
        //À̸§°ú ¸ÅÄ¡µÇ´Â ÄíÅ° ¸íĪ ã±â
        if(document.cookie.substring(i, j) == arg) {
            return getCookieVal(j);
        }
        i = document.cookie.indexOf(" ", i) + 1;    //°ø¹éºÎºÐÀÇ À§Ä¡¸¦ ã°í +1À» ÇÏ¿© ´ÙÀ½ Ç׸ñ ½ÃÀÛÀ§Ä¡ Á¶Á¤
        if(i == 0) break;
    }
    return null;
}
function getCookieVal(offset) {
    var endStr = document.cookie.indexOf (";", offset);     //offset(¸íĪ µÚ "=") ´ÙÀ½ ºÎÅÍ ";" Ç¥½Ã±îÁöÀÇ °ª À§Ä¡ ÁöÁ¤
    if (endStr == -1)
        endStr = document.cookie.length;
    return document.cookie.substring(offset, endStr);
}
function delCookieInfomation(name, val) {
    if((val == null) || (val.length == 0)) {
        document.cookie = name + "=";
    } else {
        var next_val = "";
        var j = 0;      //óÀ½ ÀÔ·Â °ªÀ» È®ÀÎÇϱâ À§ÇÑ º¯¼ö ÃʱâÈ­
        var cookie_value = getCookieInfomation(name);
        var prdCode_len = 0;    //µî·ÏµÈ »óÇ° ÄÚµå ¹è¿­ Àμö ÃʱâÈ­
        prdCode = new Array();  //Äĸ¶·Î ±¸ºÐµÈ »óÇ° Äڵ带 ºÐ¸®ÇÏ¿© ÀúÀåÇϱâ À§ÇÑ ¹è¿­ ÃʱâÈ­
        prdCode = cookie_value.split(","); 
        prdCode_len = prdCode.length;
        for(var i = 0; i < prdCode_len; i++) {
            if(prdCode[i] != val) {
                //Áߺ¹µÇ´Â Äڵ尡 ¾Æ´Ñ °æ¿ì ÄÚµå »ý¼º 
                if(j == 0) {
                    next_val = prdCode[i];
                } else {
                    next_val = next_val + "," + prdCode[i];
                }
                j++;
            } else {
                //Áߺ¹µÇ´Â Äڵ尡 ¸Â´Â °æ¿ì ÄÚµå ó¸® À§ÇÑ j °ª ó¸®
                //¾Æ·¡ÀÇ °æ¿ì°¡ ¾øÀ¸¸é i °¡ 0 ÀÎ »óÅ¿¡¼­ ó¸®µÉ °æ¿ì ±× ´ÙÀ½ °ª ¾Õ¿¡ , °¡ Ç¥½ÃµÈ´Ù.
                if(i == 0) {
                   j = 0;
                } 
            }
        }
        setCookieInfomation(name, next_val);
    }
    alert("»èÁ¦ µÇ¾ú½À´Ï´Ù.");
}
function product_compare(productcd, max_prd) {
    //alert(document.cookie);
    var name = "prdComp";   //ÄíÅ°¿¡ ÀúÀåµÉ À̸§
    if(!max_prd > 0) {
        max_prd = 4;    //ÃÖ´ë ÀúÀåµÉ ºñ±³ »óÇ° ¼ö°¡ ³Ñ¾î¿ÀÁö ¾ÊÀ» °æ¿ì ±âº»°ªÀ¸·Î 4°³¸¦ µî·ÏÇÒ ¼ö ÀÖ´Ù.
    }
    var cookie_value = getCookieInfomation(name);
    if(cookie_value == "overflow") {
        return;
    } else if(cookie_value == null) {
        setCookieInfomation(name, productcd);
        alert("ù¹ø° »óÇ°À» ¼±ÅÃÇϼ̽À´Ï´Ù.\nºñ±³ÇÒ »óÇ°À» ¼±ÅÃÇØ ÁÖ¼¼¿ä!");
    } else {
        //µî·ÏµÈ »óÇ°ÀÌ ÀÖÀ» °æ¿ì °°Àº »óÇ°Äڵ尡 ¾Æ´Ò °æ¿ì µÚ¿¡ Ãß°¡ÇÑ´Ù.
        var prdCode_len = 0;    //µî·ÏµÈ »óÇ° ÄÚµå ¹è¿­ Àμö ÃʱâÈ­
        var check = 0;      //µî·ÏµÇ¾î ÀÖ´Â »óÇ°ÀÎÁö È®ÀÎÇÒ ±¸ºÐ °ª ÃʱâÈ­
        prdCode = new Array();  //Äĸ¶·Î ±¸ºÐµÈ »óÇ° Äڵ带 ºÐ¸®ÇÏ¿© ÀúÀåÇϱâ À§ÇÑ ¹è¿­ ÃʱâÈ­
        prdCode = cookie_value.split(",");
        prdCode_len = prdCode.length;
        for(var i = 0; i < prdCode_len; i++) {
            if(prdCode[i] == productcd) {
                //ÀÌ¹Ì µî·ÏÀÌ µÇ¾î ÀÖ´Â »óÇ°ÀÎ °æ¿ì

                // »óÇ°ÀÌ 2°³ÀÌ»ó µé¾îÀÖ´Â °æ¿ì - âÀ» Çѹø ´õ ¶ç¿î´Ù?!
                if (prdCode_len > 1) {
                    var go_check = confirm('ÀÌ¹Ì µî·ÏµÇ¾î ÀÖ´Â »óÇ°ÄÚµå ÀÔ´Ï´Ù.\n¼±ÅÃÇÑ »óÇ°À» ºñ±³ÇϽðڽÀ´Ï±î?');
                    go_compare(go_check);
                } else {
                    alert("ÀÌ¹Ì µî·ÏµÇ¾î ÀÖ´Â »óÇ°ÄÚµå ÀÔ´Ï´Ù.");
                    check = 0;
                }
                return;
            } else {
                //µî·ÏÀÌ µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì
                check = 1;
            }
        }
        if(prdCode_len >= max_prd) {
            var over_code = confirm("ºñ±³»óÇ°Àº " + max_prd + "°³ ÀÌ»ó µî·ÏÇÒ ¼ö ¾ø½À´Ï´Ù. Áö±Ý »èÁ¦ÇϽðڽÀ´Ï±î?");
            if (over_code) {
                go_compare(over_code);
                return;
            } else {
                return;
            }
        }
        if(check) {
            productcd = cookie_value + "," + productcd;
            setCookieInfomation(name, productcd);
            var prdNum = prdCode_len + 1;
            var go_check = confirm(prdNum + "¹ø° »óÇ°À» ¼±ÅÃÇϼ̽À´Ï´Ù.\n¼±ÅÃÇÑ »óÇ°À» ºñ±³ÇϽðڽÀ´Ï±î?");
            go_compare(go_check);
        }
    }
}
function delCompPrd(val) {
    var name = "prdComp";
    delCookieInfomation(name, val);
    location.reload();
}
function compare_imgcheck() {
    var obj = event.srcElement;
    var width = obj.width;
    if(width > 120) {
        obj.width="120";
    }
}
function go_compare(val) {
    if(val) {
        //location.href = "shopprdcompare.html";
        window.open("shopprdcompare.html","compare_prd","scrollbars=no,status=no,menubar=no,toolbar=no");
        return;
    } else {
        return;
    }
}
function go_url(url){
    opener.location.href=url;
}
String.prototype.cut = function(len) {
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) {
        l += (str.charCodeAt(i) > 128) ? 2 : 1;
        if (l > len) return str.substring(0,i);
    }
    return str;
}

String.prototype.bytes = function() {
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) l += (str.charCodeAt(i) > 128) ? 2 : 1;
    return l;
}