<!--
function checkKey1(event)
{
        if(window.event.keyCode == 13)
                if( form.user_id.value != "")
                        form.password.focus();

}

function onFocus1(){
	
		if(form.user_id.value == "아이디"){
				form.user_id.value = "";	
		}


}

function onFocus2(){
	
		if(form.password.value == "비밀번호"){
				form.password.value = "";	
		}


}



function checkKey2(event)
{
        var form = document.form;
    if(window.event.keyCode == 13)
        {
                if(form.user_id.value == "")
                {
                        form.user_id.focus();
                        return false;
                }
                if(form.password.value =="" )
                {
                        form.password.focus();
                        return false;
                }
                checkform(form);
        }
}
function alltrim(str) {
    var i;
    var ch;
    var retStr = '';
    var retStr1 = '';
    if (str.length == 0)
        return str;
    for (i=0;i<str.length;i++) {
        ch = str.charAt(i);
        if (ch == ' ' || ch == '\r' || ch == '\n') 
            continue;
		 retStr += ch;
    }
    return retStr;
}

function checkform(form)
{
	form.user_id.value = alltrim(form.user_id.value);
        if (form.user_id.value.length == 0)
        {
                alert ("이용자 ID를 4~20자로 입력하여 주십시오.");
                form.user_id.focus();
                return ;
        }

        if (form.user_id.value.length < 4 || form.user_id.value.length > 20 || IsAlphaNumeric(form.user_id.value) == false)
        {
                        alert("이용자ID는 영문과 숫자의 조합으로 4-20자리내에서 입력하십시오. \n한글, 특수문자, 띄어쓰기는 안되며 첫자는 영문이어야 합니다.");
            form.user_id.select();
                        form.user_id.focus();
                        return ;
        }
        if (form.password.value.length == 0)
        {
                alert("비밀번호를 입력하여 주십시오")
                form.password.focus();
                return;
        }
        form.submit();
}
function IsAlphaNumeric(checkStr)
{
        var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789~!@#$%^*()-+='_,?{}[]`<>:;/|.\"&"+"\\";
        for (i = 0;  i < checkStr.length;  i++)
        {
                        ch = checkStr.charAt(i);
                        for (j = 0;  j < checkOK.length;  j++)
                                if (ch == checkOK.charAt(j))
                                        break;
                                if (j == checkOK.length)
                                {
                                        return (false);
                                        break;
                                }
        }
        return (true);
}
function idfocus()
{
	document.form.user_id.focus();
}

function newregist()
{
	location.href = "http://member.mk.co.kr/join/join_intro.php";
}

function forgetpassword()
{
	location.href = "http://member.mk.co.kr/find/idpw_find.php";
}

//-->