function mysearch()
{
   if(document.search.findit.value=="")
   {
     alert("°Ë»ö¾î¸¦ ³Ö¾îÁÖ¼¼¿ä");
     return false;
   }
   
}
function  checkUserSelect() {
   var check_nums = document.form1.elements.length;
   for(var i = 0; i < check_nums; i++) {
      var checkbox_obj = eval("document.form1.elements[" + i + "]");
      if(checkbox_obj.checked == true) {
         break;
      }
   }
   if(i == check_nums) {
      alert("¸ÕÀú ¼öÇà ÇÏ°íÀÚ ÇÏ´Â °Ô½Ã¹°À» ¼±ÅÃÇÏ¿© ÁֽʽÿÀ");
      return false;   
   } 
   
   // È®ÀÎÇϱâ
	var check = confirm("Á¤¸»·Î ¼öÇàÇϽðڽÀ´Ï±î?");
	if ( check == false)
	{
		return false;
	}
	
}

function revcheck() {
	for( var i=0; i<document.form1.elements.length; i++) {
		var ele = document.form1.elements[i];
		if(ele.name == 'check')
			ele.checked = !ele.checked;
	}
	return;
}


function allcheck()
{
	for( var i=0; i<document.form1.elements.length; i++) {
		var ele = document.form1.elements[i];
		if(ele.name == 'check')
			ele.checked = true;
	}
	return false;
}
function discheck()
{
	for( var i=0; i<document.form1.elements.length; i++) {
		var ele = document.form1.elements[i];
		if(ele.name == 'check')
			ele.checked = false;
	}
	return false;
}

function formchk() {	
	
	if (document.writeform.passwd.value == '') {
		alert('please Input Password!');	
		document.writeform.passwd.focus();
		return false;
	}
}