document.writeln('<div id="waitDiv" style="position:absolute;left:40%;top:30%;visibility:hidden">');
document.writeln('<div style="z-index:1000;">');
document.writeln('<table cellpadding="6" cellspacing="0" border=1 bgcolor=#FFFFFF bordercolor=#80C400>');
document.writeln('<tr><td align="center">');
document.writeln('<font color="#619500" face=Arial size=4>Lade ...</font><br /><br>');
document.writeln('<img src="loading.gif" border="0" alt="">');
document.writeln('<br /><font color="#619500" face=Arial size=2>Bitte warten ...</font>');
document.writeln('<\/td><\/tr><\/table><\/div<\/div>');
var DHTML = (document.getElementById || document.all || document.layers);

function ap_getObj(name) {
    if (document.getElementById) {
        return document.getElementById(name).style;
    } else if (document.all) {
        return document.all[name].style;
    } else if (document.layers) {
        return document.layers[name];
    }
    return null;
}

function ap_showWaitMessage(div,flag) {
    if (!DHTML)
        return;
    var x = ap_getObj(div);
        x.visibility = (flag) ? 'visible':'hidden'

    if(!document.getElementById)
    if(document.layers)
        x.left=280/2;
}

function isUrl(s) {
        var reg2exp = /^(((http|https)(\:\/\/))?)([a-z0-9öüä]+)([\-\.]{1}[a-z0-9öüä]+)*\.[a-z]{2,5}$/
	return reg2exp.test(s);
}