var http_request = false;
   function makeRequest(url, parameters) {
         http_request = false;
     // if (window.XMLHTTP) { // Mozilla, Safari,...
        http_request = new XMLHTTP();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      //} 
      //}
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
		//alert("Status: " + http_request.readyState)
	   if (http_request.readyState == 0) {
	   }
	   if (http_request.readyState == 1) {
	   }
	   if (http_request.readyState == 2) {
			}
	   if (http_request.readyState == 3) {
			}
      if (http_request.readyState == 4) {
		 //alert("result: " + http_request.responseText);
         if (http_request.status == 200) {
           // alert("yes: " + http_request.responseText);
            result = http_request.responseText;
			document.getElementById('scode').value= result;			
		}else{
//	            alert('There was a problem with the request.');
		}
           //document.getElementById('cart').innerHTML = result;
      }
   }
   
  
    function searchCode(obj){
		sq="cws123";
      makeRequest('http://site.earthtechproducts.com/php-new/captcha/fetchCode.php?str=',sq);
   }