function originalframe() { //v1.0
if (parent.frames.length==0) top.location='http://www.wiwi.uni-frankfurt.de/professoren/krueger/index.php';
}

function popUp(url) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(url, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=660,height=503,left = 25,top = 25');");
}

function anti_spam(str1,str2) {
var pre1='mai';
var pre2='lto';
location=pre1+pre2+':'+str1+'@'+str2;
}

function printVer(url) {
window.open(url, "",'height=400,width=640,location=no,scrollbars=yes,menubars=no,toolbars=no,resizable=no');
}