function buildXmlHttpObject(){request=false;if(window.XMLHttpRequest&&!(window.ActiveXObject)){try{request=new XMLHttpRequest();}
catch(e){request=false;}}
else if(window.ActiveXObject){try{request=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e){try{request=new ActiveXObject("Microsoft.XMLHTTP");}
catch(e){request=false;}}}
if(request){return true;}
return false;}
function sendRequest(query){request.onreadystatechange=processRequest;request.open("GET",query,true);request.send("");}
function processRequest(){if(request.readyState==4){if(request.status==200){callback(request);}
else{}}}