function igvLogin(){

var win = null;
var user = document.forms[0].user.value;
var password = document.forms[0].password.value;
win = window.open('intra/index.php?do=login&user='+user+'&password='+password,'IGV','width=979,height=658,left=10,top=10,resizable=yes,scrollbars=yes,status=no');
win.focus();

}

function vorschauFenster(pic,w,h){
var h2 = h + 30;
var w2 = w + 30;
win = window.open('vorschau.php?pic='+pic+'&h='+h+'&w='+w,'IGV','width='+w2+',height='+h2+',left=0,top=0,resizable=yes,scrollbars=yes,status=no');
win.focus();

}