function paramEscape(paramValue)
{
   return encodeURIComponent(paramValue);
}

function formData2QueryString(docForm)
{   
   var submitString = '';
   var formElement = '';
   var lastElementName = '';
   
   for(i = 0 ; i < docForm.elements.length ; i++)
   {
     formElement = docForm.elements[i];
     switch(formElement.type)
     {
        case 'text' :
        case 'select-one' :
        case 'hidden' :
        case 'password' :
        case 'textarea' :
           submitString += formElement.name + '=' + paramEscape(formElement.value) + '&';
           break;
        case 'radio' :   
           if(formElement.checked)
           {
             submitString += formElement.name + '=' + paramEscape(formElement.value) + '&';
           }
           break;
        case 'checkbox' :   
           if(formElement.checked) 
           {
             if(formElement.name = lastElementName)
             {
                if(submitString.lastIndexOf('&') == submitString.length - 1)
                {
                   submitString = submitString.substring(0, submitString.length - 1);
                }
                submitString += ',' + paramEscape(formElement.value);
             }
             else
             {
                submitString += formElement.name + '=' + paramEscape(formElement.value); 
             }
             submitString += '&';
             lastElementName = formElement.name;
           }
           break; 
     }                                                                            
   }
   submitString = submitString.substring(0, submitString.length - 1);
   //document.all("result").value = submitString;
   return submitString;                               
}

function xmlHttpPost(actionUrl, submitParameter, resultFunction)
{
   var xmlHttpRequest = false;

   //IEÀΰæ¿ì
   if(window.ActiveXObject)
   {
     xmlHttpRequest = new ActiveXObject('Microsoft.XMLHTTP');
   }
   else
   {
     xmlHttpReq = new XMLHttpRequest();
     xmlHttpReq.overrideMimeType('text/xml');
   }   
   xmlHttpRequest.open('POST', actionUrl, true);
   xmlHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
   xmlHttpRequest.onreadystatechange = function() {
     if(xmlHttpRequest.readyState == 4)
     {
        switch (xmlHttpRequest.status) 
        {
           case 404:
             alert('¿À·ù: ' + actionUrl + 'ÀÌ Á¸ÀçÇÏÁö ¾ÊÀ½');
             break;
          case 500:
             alert('¿À·ù: ' + xmlHttpRequest.responseText);
             break;
          default:
             eval(resultFunction + '(xmlHttpRequest.responseText);');
             break;     
        }        
     }
   }
   xmlHttpRequest.send(submitParameter);             
}