function GetXmlHttpObject(handler){var objXmlHttp=null;if(!window.XMLHttpRequest){objXmlHttp=new ActiveXObject("Microsoft.XMLHTTP");if(objXmlHttp!=null){objXmlHttp.onreadystatechange=handler}}else{objXmlHttp=new XMLHttpRequest();if(objXmlHttp!=null){objXmlHttp.onreadystatechange=handler}}return objXmlHttp}function SendXmlHttpGetRequest(xmlHttp,url){xmlHttp.open("GET",url,true);xmlHttp.send(null)}function SendXmlHttpPostRequest(xmlHttp,url,sData){xmlHttp.open("Post",url,true);xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");xmlHttp.send(sData)};