swapContent = function(element, url, params){
        var ret = IOBRIDGE.getXMLData(url, params, true);
        document.getElementById(element).innerHTML = ret;
}
function getXMLHttpObject(){
        var http = null;
        if (typeof XMLHttpRequest != 'undefined') {
                http = new XMLHttpRequest();
                return http;
                }
        if(!http){
                try{
                        http = new ActiveXObject("Msxml2.XMLHTTP");
                }catch (e){
                        try{
                                http = new ActiveXObject("Microsoft.XMLHTTP");
                        }catch(e){
                                http = null;
                        }
                }
        }
        return http;
}
function gei(object){//ersetzt document.getElementById
                return document.getElementById(object);
}
iobridge = function(){
        this.queue = [];
        this.currentTask = null;
        this.callback = function(){alert("Wenn dieses Fenster auftritt, ist die callbackFunc in iobridge nicht richtig \u00FCbergegeben worden.");};
        this.getXMLData = function(url, varString, sync, callbackFunc, urgent, timeout){
                var http = getXMLHttpObject();
                var returnValue = null;
                if(http !=null){
                        http.onreadystatechange = function(){
                                if(http.readyState == 4){
                                        var response = http.responseText;
                                }
                        }
                        http.open('POST',url,false);
                        http.setRequestHeader('Content-Type','application/x-www-form-urlencoded ');
                        http.send(varString);
                        if(returnValue == null && http!=null && http.readyState == 4){//Weil Firefox bei synchroner Uebertragung keinen onreadystatechange feuert.
                                var response = http.responseText;
                        }
                        return response;
                }
        }
}
/*refresh wird aus mainhead aufgerufen - hier wird automatisch sende_loesch_automatik aufgerufen*/
 refresh = function(){
    var http = getXMLHttpObject();
    if(http !=null){
                        http.open('POST','sende_loesch_automatik.php5');
                        http.setRequestHeader('Content-Type','application/x-www-form-urlencoded ');
                        http.send("");
        }
 }