// JavaScript Document





function out()
{
if(window.event.toElement.id!="menu_02" && window.event.toElement.id!="link")
  menu.style.visibility="hidden";
}
function switchmodTag(modtag,modcontent,modk) {
    for(i=1; i <5; i++) {
      if (i==modk) {
        document.getElementById(modtag+i).className="menuOn";
document.getElementById(modcontent+i).className="slidingList";}
      else {
        document.getElementById(modtag+i).className="menuNo";
document.getElementById(modcontent+i).className="slidingList_none";}
    }
	
  }


function login_chk(){
if(document.form1.lgt.value=="" ){
		alert("please write username");
		document.form1.lgt.focus();
		return false;
	}
	if(document.form1.password.value==""){
		alert("please write password");
		document.form1.password.focus();
		return false;
	}
	if(document.form1.yzm.value=="")
	{alert("don't blank£¡");
	document.form1.yzm.focus();
	return false;
	}
}