// ******************************************************
// ******************** Ajax functions  *********************
// ******************************************************

function fetchSubform(subform, insertHere, unid) {
	URLvalues = location.search;	
	xmlhttpPost(subformFetchAgentURL + '&subform=' + subform + '&unid=' + unid + '&' + URLvalues.substr(1), insertHere);
}

function xmlhttpPost(strURL,result) {
	xmlhttpPostwStartEnd(strURL,result,'','')	
}

function xmlhttpPostwStartEnd(strURL,result,vStart,vEnd) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('GET', strURL, true);
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updateInnerHTML(self.xmlHttpReq.responseText, result,vStart,vEnd);

        }
    }
    self.xmlHttpReq.send(null);
}

function updateInnerHTML(str,layername,vStart,vEnd){
	document.getElementById(layername).innerHTML = vStart+str+vEnd;
}