<!--

var xhttpNaviHeader ;
var xhttpNaviLeft ;
var xhttpContent ;
    
function createXMLHttpRequest(xhttp) { 
	if ( window.ActiveXObject ) {  
  	try {  
     // IE 6 and higher 
     xhttp = new ActiveXObject("MSXML2.XMLHTTP") ; 
    } 
    catch (e) { 
  		try { 
     		// IE 5 
      	xhttp = new ActiveXObject("Microsoft.XMLHTTP") ; 
    	} 
    	catch (e) { 
        xhttp = false ; 
      } 
    } 
  } 
  else if (window.XMLHttpRequest) { 
		try { 
    	// Mozilla, Opera, Safari ... 
      xhttp = new XMLHttpRequest() ; 
    } 
    catch (e) { 
    	xhttp = false ; 
		} 
	} 
	
	return xhttp ;
}

function ajax_get_navi_header() {
	if ( xhttpNaviHeader.readyState == 4 ) {
		if ( xhttpNaviHeader.status != 200 ) {
			alert( "Fehler " + xhttpNaviHeader.status + ": " + xhttpNaviHeader.statusText ) ;
		}
		else {
			document.getElementById('box_navi_top').innerHTML = xhttpNaviHeader.responseText ;
		}
	}
}

function ajax_get_navi_left() {
	if ( xhttpNaviLeft.readyState == 4 ) {
		if ( xhttpNaviLeft.status != 200 ) {
			alert( "Fehler " + xhttpNaviLeft.status + ": " + xhttpNaviLeft.statusText ) ;
		}
		else {
			document.getElementById('box_navi').innerHTML = xhttpNaviLeft.responseText ;
		}
	}
}

function ajax_get_content() {
	if ( xhttpContent.readyState == 4 ) {
		if ( xhttpContent.status != 200 ) {
			alert( "Fehler " + xhttpContent.status + ": " + xhttpContent.statusText ) ;
		}
		else {
			document.getElementById('box_content').innerHTML = xhttpContent.responseText ;
		}
	}
}


function getPage( sFile ) {
/*
	if ( sFile.match(/\?/) ) {
		sFile += '&' ;
	}
	else {
		sFile += '?' ;
	}
	
	getRandomHeaderPic(aHeaders) ;
	getNaviHeader( sFile + "area=NaviHeader" ) ;
	getNaviLeft( sFile + "area=NaviLeft" ) ;
	getContent( sFile + "area=Content" ) ;
	
	return false ;
*/
  return true ;	
}				

function getRandomHeaderPic( aPictures ) {
	if ( aPictures.length > 0 ) {
		document.getElementById('box_header').innerHTML = aPictures[Math.floor( Math.random() * ( aPictures.length ) )] ;
	}
	else {
		document.getElementById('box_header').innerHTML = '&nbsp;' ;
	}
}

function getNaviHeader( sURL ) {
	
	xhttpNaviHeader = createXMLHttpRequest(xhttpNaviHeader) ;
	xhttpNaviHeader.open( "GET", sURL, true ) ;
	xhttpNaviHeader.onreadystatechange = ajax_get_navi_header ;
	xhttpNaviHeader.send(null) ;
	
}

function getNaviLeft( sURL ) {
	
	xhttpNaviLeft = createXMLHttpRequest(xhttpNaviLeft) ;
	xhttpNaviLeft.open( "GET", sURL, true ) ;
	xhttpNaviLeft.onreadystatechange = ajax_get_navi_left ;
	xhttpNaviLeft.send(null) ;
	
}

function getContent( sURL ) {
	
	xhttpContent = createXMLHttpRequest(xhttpContent) ;
	xhttpContent.open( "GET", sURL, true ) ;
	xhttpContent.onreadystatechange = ajax_get_content ;
	xhttpContent.send(null) ;
	
}
	
//-->