var xmlHttp = false; var REQUEST_GET = 0; var REQEST_POST = 2; var REQUEST_HEAD = 1; var REQUEST_XML = 3; function getXMLRequester( )
{ var xmlHttp = false; try
{ if( window.ActiveXObject )
{ for( var i = 5; i; i-- )
{ try
{ if( i == 2 )
{ xmlHttp = new ActiveXObject( "Microsoft.XMLHTTP" );}
else
{ xmlHttp = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );}
break;}
catch( excNotLoadable )
{ xmlHttp = false;}
}
}
else
{ xmlHttp = new XMLHttpRequest();}
}
catch( excNotLoadable )
{ xmlHttp = false;}
return xmlHttp ;}
function sendRequest( strSource, strData, intType, intID )
{ if( !strData )
strData = ''; if( isNaN( intType ) )
intType = 2; if( xmlHttp && xmlHttp.readyState )
{ xmlHttp.abort( ); xmlHttp = false;}
if( !xmlHttp )
{ xmlHttp = getXMLRequester( ); if( !xmlHttp )
return;}
if( intType != 1 && ( strData && strData.substr( 0, 1 ) == '&' || strData.substr( 0, 1 ) == '?' ) )
strData = strData.substring( 1, strData.length ); var dataReturn = strData ? strData : strSource; switch( intType )
{ case 1:
strData = "xml=" + strData; case 2:
xmlHttp.open( "POST", strSource, true ); xmlHttp.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded; charset=utf-8'); xmlHttp.setRequestHeader( 'Content-length', strData.length ); break; case 3:
xmlHttp.open( "HEAD", strSource, true ); strData = null; break; default:
var strDataFile = strSource + (strData ? '?' + strData : '' ); xmlHttp.open( "GET", strDataFile, true ); strData = null;}
xmlHttp.onreadystatechange = new Function( "", "processResponse(" + intID + ")" ); ; xmlHttp.send( strData ); return dataReturn;}
function processResponse( intID )
{ switch( xmlHttp.readyState )
{ case 0:
case 1:
case 2:
case 3:
break; case 4:
if( xmlHttp.status == 200 )
{ processData( xmlHttp, intID );
}
else
{ if( window.handleAJAXError )
handleAJAXError( xmlHttp, intID ); else
alert( "ERROR\n HTTP status = " + xmlHttp.status + "\n" + xmlHttp.statusText ) ;}
}
}