function xmlhttpPost(strURL, strSubmit, strResultFunc, id1) {
   var xmlHttpReq = false;
    //alert(id1);
        // Mozilla/Safari
        if (window.XMLHttpRequest) {
             xmlHttpReq = new XMLHttpRequest();
             if(xmlHttpReq.overrideMimeType) {
	        	xmlHttpReq.overrideMimeType('text/xml');
			}
        }
        
        else if(window.ActiveXObject) { // IE
	    	try{
	        	xmlHttpReq= new ActiveXObject("Msxml2.XMLHTTP");
			}
	        catch(e) {
	        	try {
	            	xmlHttpReq= new ActiveXObject("Microsoft.XMLHTTP");
				}
	            catch (e) {
	            	alert("Error: ActiveXObject is not loaded...");
	    		}
			}
		}
	    if(!xmlHttpReq) {
	    	alert('Giving up :( Cannot create an XMLHTTP instance');
	        return false;
		}
	
		xmlHttpReq.open('POST', strURL, true);
		xmlHttpReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		xmlHttpReq.onreadystatechange = function() {
			if (xmlHttpReq.readyState == 4) {
	           strResponse = xmlHttpReq.responseText;
				switch (xmlHttpReq.status) {
	                   // Page-not-found error
	                   case 404:
	                           alert('Error: Not Found. The requested URL ' + 
	                                   strURL + ' could not be found.');
	                           break;
	                   // Display results in a full window for server-side errors
	                   case 500:
	                           handleErrFullPage(strResponse);
	                           break;
	                   default:
	                           // Call JS alert for custom error or debug messages
	                           if (strResponse.indexOf('Error:') > -1 || 
	                                   strResponse.indexOf('Debug:') > -1) {
	                                   alert(strResponse);
	                           }
	                           // Call the desired result function
	                           else {
								   //alert(strResponse);
								   //return false;
	                                 eval(strResultFunc + '(strResponse,id1);');
	                           }
	                           break;
				}
			}
		}
  	xmlHttpReq.send(strSubmit);
}

function handleErrFullPage(strIn) {

        var errorWin;

        // Create new window and display error
        try {
                errorWin = window.open('', 'errorWin');
                errorWin.document.body.innerHTML = strIn;
        }
        // If pop-up gets blocked, inform user
        catch(e) {
                alert('An error occurred, but the error message cannot be' +
                        ' displayed because of your browser\'s pop-up blocker.\n' +
                        'Please allow pop-ups from this Web site.');
        }
}