// == ¾Ë·µ â ==
function al_c(form_name,column_name,txt){
		if(!eval("document."+form_name+"."+column_name+".value")){
			alert(txt);
			eval("document."+form_name+"."+column_name+".focus();");
			return true;
		}
		else{
			return false;
		}
}



function cutStr(str,limit){
  var tmpStr = str;
  var byte_count = 0;
  var len = str.length;
  var dot = "";
  
  for(i=0; i<len; i++){
    byte_count += chr_byte(str.charAt(i)); 
    if(byte_count == limit-1){
      if(chr_byte(str.charAt(i+1)) == 2){
        tmpStr = str.substring(0,i+1);
        dot = "...";
      }else {
        if(i+2 != len) dot = "...";
        tmpStr = str.substring(0,i+2);
      }
      break;
    }else if(byte_count == limit){
      if(i+1 != len) dot = "...";
      tmpStr = str.substring(0,i+1);
      break;
    }
  }
  return tmpStr + dot;
}
function chr_byte(chr){
  if(escape(chr).length > 4)
    return 2;
  else
    return 1;
}

			function allcheck()
			{
				// üũ¹Ú½º ¸ðµÎ ¼±ÅÃ
				if(list_f.checkbox_c.value==1){
					for( var i=0; i<list_f.elements.length; i++) {
						var ele = list_f.elements[i];
							ele.checked = true;
					}
					list_f.checkbox_c.value=0;
					return;
				}
				else{
					for( var i=0; i<list_f.elements.length; i++) {
							var ele = list_f.elements[i];
								ele.checked = false;
						}
						list_f.checkbox_c.value=1;
					return;
				}
			}

			function select_check_ok()
			{
				//üũ¹Ú½º ¼±ÅõǾî ÀÖ´ÂÁö È®ÀÎ
				var check_ok_p = 0;
					for( var i=0; i<list_f.elements.length; i++) {
						var ele = list_f.elements[i];
							if(ele.checked == true) check_ok_p=1;
					}
					if (check_ok_p==0){
						alert('Çϳª ÀÌ»ó ¼±ÅÃÇØ ÁÖ¼¼¿ä');
						return false;
					}
					else{
						return true;
					}
			}