function chk(obj)
{
	while ( obj.value.search(/\"/) != -1 )
	{
		obj.value = obj.value.replace(/\"/,"'");
	}
}

function update_area(id, url)
{
//	$("progressbar").style.display = '';
	var ajax = new Ajax.Updater(
		id,       // DIV id
		url,      // URL
		{         // options
			method:'get'/*,
			onComplete: function(element)
			{
				$("progressbar").style.display = 'none';
			}*/
		}
	);
}





/* POST request */

   var http_request = false;
   var form_obj;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            $(form_obj.name).innerHTML = result;
//            Element.hide( 'loader' );
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(obj, act) {
      var poststr = "";
      form_obj = obj;
//      Element.show( 'loader' );
      for (i=0; i < obj.childNodes.length; i++) {
         if (obj.childNodes[i].tagName == "INPUT") {
           if (obj.childNodes[i].type == "text") {
               poststr += obj.childNodes[i].name + "=" + encodeURI(obj.childNodes[i].value) + "&";
            }
            if (obj.childNodes[i].type == "hidden") {
               poststr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
            }
            if (obj.childNodes[i].type == "checkbox") {
               if (obj.childNodes[i].checked) {
                  poststr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               } else {
                  poststr += obj.childNodes[i].name + "=&";
               }
            }
            if (obj.childNodes[i].type == "radio") {
               if (obj.childNodes[i].checked) {
                  poststr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               }
            }
         }
         if (obj.childNodes[i].tagName == "select") {
            var sel = obj.childNodes[i];
            poststr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
         }
         if (obj.childNodes[i].tagName == "TEXTAREA") {
             poststr += obj.childNodes[i].name + "=" + encodeURI(obj.childNodes[i].value) + "&";
         }
      }
      makePOSTRequest(act, poststr);
   }