// Script by Thomas Stich
// http://www.stichpunkt.de/beitrag/popup.html
// use it if you like it

//
// <a href="html-or.jpg" onclick="return popup(this,123,456)" title="..."
// or
// <a href="html-or.jpg" onclick="return popup(this)" title="..."

var pop = null;

function popdown() {
	if (pop && !pop.closed) pop.close();
}

function popup(obj,w,h) {
	var url = (obj.getAttribute) ? obj.getAttribute('href') : obj.href;
	if (!url) return true; w = (w) ? w += 20 : 150; // 150px*150px is the default size
	h = (h) ? h += 25 : 150;
	var args = 'width='+w+',height='+h+',resizable=no,status=no';
	popdown();
	pop = window.open(url,'',args);
	return (pop) ? false : true;
}

function popup2(url,w,h) {
	if (!url) return true; w = (w) ? w += 20 : 150; // 150px*150px is the default size
	h = (h) ? h += 25 : 150;
	var args = 'width='+w+',height='+h+',resizable=no,status=no';
	popdown();
	pop = window.open(url,'',args);
	return (pop) ? false : true;
}

function open_calc(){
	pop = window.open('calculator.php','calc_popup','width=770, height=480, scrollbars=yes, resizable=yes, status=no, menubar=no, toolbar=no');
	return (pop) ? false : true;
}

//window.onunload = popdown;
//window.onfocus = popdown;