function imgchange(imgs){
    var titleimg = document.getElementById("titleimg");
    var titleimg_src = document.getElementById(imgs);
    titleimg.src=titleimg_src.src;
 }
 function prevImg(cnt){
    var titleimg = document.getElementById("titleimg");
    var titleimg_src = "";
    var i=0;
    for(i=0;i<=cnt;i++){
        titleimg_src = document.getElementById("titleimg"+i);
        if(titleimg.src == titleimg_src.src){
            if(titleimg_src.id == "titleimg0"){
            
            }else if(titleimg_src.id == "titleimg1"){
                titleimg.src = document.getElementById("titleimg0").src;
            }else if(titleimg_src.id == "titleimg2"){
                titleimg.src = document.getElementById("titleimg1").src;
            }else if(titleimg_src.id == "titleimg3"){
                titleimg.src = document.getElementById("titleimg2").src;
            }else if(titleimg_src.id == "titleimg4"){
                titleimg.src = document.getElementById("titleimg3").src;
            }else if(titleimg_src.id == "titleimg5"){
                titleimg.src = document.getElementById("titleimg4").src;
            }
        }
    }
 }
 function nextImg(cnt){
    var titleimg = document.getElementById("titleimg");
    var titleimg_src = "";
    var i=0;
    for(i=0;i<=cnt;i++){
        titleimg_src = document.getElementById("titleimg"+i);
        if(titleimg.src == titleimg_src.src){
            if(titleimg_src.id == "titleimg"+i){
                //alert(titleimg_src.id);
                if(cnt >= i+1){
                    if(titleimg_src.id == "titleimg"+cnt){
            
                    }else if(titleimg_src.id == "titleimg"+i){
                        if(document.getElementById("titleimg"+(i+1)) != null ){
                            titleimg.src = document.getElementById("titleimg"+(i+1)).src;
                        }
                        return;
                    }
                    
                }
            }
        }
    }
 }
 function godetail(id){
    var frm = document.getElementById("details");
    
    if(id=="1"){
        document.getElementById("sub1").style.display = "block";
        document.getElementById("sub2").style.display = "none";
        
    }else if(id=="2"){
        document.getElementById("sub1").style.display = "none";
        document.getElementById("sub2").style.display = "block";
    }else if(id=="3"){
        
    }else if(id=="4"){
        
    }

    
 }
function imgchange2(imgs,code){
        var titleimg = document.getElementById("titleimg"+code);
        var titleimg_src = document.getElementById(imgs);
        titleimg.src=titleimg_src.src;
    }
    function imgSize(which){
        
        var xxx = new Image();
        xxx.src = which;
        var width = eval("xxx.width"); //document.getElementById("imgss").width;//document.imgss.width;//eval("document."+which+".width");
        //alert(width)
        var height = eval("xxx.height");
        var temp = 0; 
        var max_width= 619;   // 이미지의 최대 크기     
        
        if ( width > max_width ) {  // 이미지가 600보다 크다면 너비를 600으로 맞우고 비율에 맞춰 세로값을 변경한다.      
           height = height/(width / max_width);
           document.img.src = which;
           eval("document.img.width = max_width");     
           eval("document.img.height = height");
        }else{
           document.img.src = which;
        }     
    }