function setCookie(cookvari,value) 
{
    var argc=setCookie.arguments.length;
    var argv=setCookie.arguments;
    var expires= (argc>2) ? argv[2]:null;
    var domain=(argc > 4)? argv[4]:null;
    var secure=(argc>5)?argv[5]:false;
    document.cookie =cookvari + "="+value+
    ((expires==null) ?"":(";expires="+expires.toGMTString()))+";path=/"+
    ((domain==null) ? "" : (";domain="+domain))+
    ((secure==true) ? ";secure" : "");
}
function getCookie(cookvari) 
{
    var chajatna=false;
    var start,end;
    var i=0;
    while(i<=document.cookie.length) 
    {
        start=i;
        end=start+cookvari.length;
        if(document.cookie.substring(start,end) == cookvari) 
        {
            chajatna=true;
            break;
        }
        i++;
    }
    if(chajatna==true) 
    {
        start=end+1;
        end=document.cookie.indexOf(";",start);
        if(end<start) 
        {
            end=document.cookie.length;
        }
        return document.cookie.substring(start,end);
    }
    return "";
}


function delCookie(cookvari) 
{
    var today=new Date();
    var fordel;
    today.setTime(today.getTime()-1);
    fordel=getCookie(cookvari);
    if( fordel != "") 
    {
        document.cookie=cookvari+"=" +fordel+"; expires="+today.toGMTString();

    }
}









function CheckValue(song_no) 
{
    var checkedbox=window.event.srcElement; //üũ¹Ú½º ÇÚµé ¾ò±â
    var song_nostr=","+song_no;//¼±ÅðîÀ» ¹®ÀÚ¿­·Î ¸¸µê

 /*   if(getCookie("song_countset")){
	int song_count = getCookie("song_countset");
	} else {
	int song_count=0;
	}
	
	*/
	var song_list = getCookie("play");
    if(checkedbox.checked==true)         //»ç¿ëÀÚ°¡ ¼±ÅÃÇÑ °æ¿ì
    {                     //°îÀ» Ãß°¡ÇÏ°Ô µË´Ï´Ù.
       
		
		if(getCookie("play")){
		song_list2=song_list+song_nostr;
		} else {
		song_list2=song_nostr;
		
		}
		
		
		setCookie("play",song_list2);
//        song_count++;            //°î¼ö¸¦ Áõ°¡½ÃÅ´
//       setCookie("song_countset",song_count);//°î¼ö¸¦ ÄíÅ°·Î ÀúÀå
    } 
    else if (checkedbox.checked==false)     //»ç¿ëÀÚ°¡ ¼±ÅÃÀ» ÇØÁ¦
    {                    //play ¿¡¼­ ÇØ´ç °î¹øÈ£Á¦°Å
        song_list3=SelectDel(song_nostr,song_list);//ÇØ´ç°î Á¦°Å·çƾ
        setCookie("play",song_list3);
//        song_count--;
//       setCookie("song_countset",song_count);
    }
    
}

function SelectDel(delstring,basestring)     //¼±ÅÃÇØÁ¦°î »èÁ¦ ·çƾ
{
//    var basestring2= basestring;    //¸¶Áö¸·°î µÚ¿¡ ±¸ºÐÀÚ Ãß°¡
    var delbuffer=delstring;        //ÇØÁ¦ÇÒ °îµÚ¿¡ ±¸ºÐÀÚ Ãß°¡
    var delbuffer_index=basestring.indexOf(delbuffer);
    var first=basestring.substring(0,delbuffer_index);
    var second=basestring.substring(delbuffer_index+delbuffer.length,basestring.length);
    var resultstring=first.concat(second);
    resultstring=resultstring.substring(0,resultstring.length);
    return resultstring;
}