function WebMethod(url,request,callback)
{
    var http = createRequestObject();
    var mode = request?"POST":"GET";
    http.open(mode,url,true);
    if(mode=="POST"){http.setRequestHeader('Content-Type','application/x-www-form-urlencoded');}
    http.onreadystatechange=function(){if(http.readyState==4){callback(http.responseText);}};
    http.send(request);
}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

function aboutUsChange(responseText) {
	
	document.getElementById('aboutUsDiv').innerHTML = responseText;
	
}

function servicesChange(responseText) {
	
	document.getElementById('servicesDiv').innerHTML = responseText;
	
}