function openWindow(url) { window.open(url, '_blank', 'menubar=no,height=260,width=490,scrollbars=no,top=200,left=200'); }



function checkNEmail(form) { if (isBlank(form.email.value) || isBlank(form.name.value) || !isEmailValid(form.email.value) ) { alert("Die Emailadresse ist nicht korrekt eintragen!"); form.email.focus(); return false; } }
function checkEmail(form) { if (isBlank(form.email.value) || !isEmailValid(form.email.value) ) { alert("Die Emailadresse ist nicht korrekt eintragen!"); form.email.focus(); return false; } return true; }
function isBlank(fieldValue) { var blankSpaces = / /g; fieldValue = fieldValue.replace(blankSpaces, ""); return (fieldValue == "") ? true : false; }
function isEmailValid(fieldValue) { var emailFilter = /^.+@.+\..{2,4}$/; var atSignFound = 0; for (var i = 0; i <= fieldValue.length; i++) if ( fieldValue.charAt(i) == "@" ) atSignFound++; if ( atSignFound > 1 ) return false; else return ( emailFilter.test(fieldValue) && !doesEmailHaveInvalidChar(fieldValue) ) ? true : false; }
function doesEmailHaveInvalidChar(fieldValue) { var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\] ]/; return ( illegalChars.test(fieldValue) ) ? true : false; }







function randNum (num) {
	var now = new Date();
	var rand = Math.round(num * Math.cos(now.getTime()));
	if (rand < 0) rand = - rand; if (rand == 0) rand++;
	return rand;
}

var inx = 0+randNum(3);

function URLChanger(formName, popupName) {
	var form  = document.forms[formName];
	var popup = form.elements[popupName];
	window.location.href = popup.options[popup.selectedIndex].value;
	popup.selectedIndex = 0;
}

nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;

    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}