var http_request = false;
   var targetElementId="";
   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;
            document.getElementById(targetElementId).innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(id, targetDivId, url) {
	   targetElementId=targetDivId;
	   var obj=document.getElementById(id);
	   var poststr="";
	   var isFirstElement=0;
	  for ( var count = 0; count < obj.childNodes.length; count++ )
    {
		if (obj.childNodes[count].type=='select-one'){
			var index=obj.childNodes[count].selectedIndex;
		if (isFirstElement>0) poststr +="&";
       poststr+=obj.childNodes[count].name + "=" + encodeURI(obj.childNodes[count].options[index].value);
	   isFirstElement=1;
		}
		if (obj.childNodes[count].type=='text'){
		if (isFirstElement>0) poststr +="&";
       poststr+=obj.childNodes[count].name + "=" + encodeURI(obj.childNodes[count].value);
	   isFirstElement=1;
		}
		
    }  
      makePOSTRequest(url, poststr);
   }

// JavaScript Document