function popup(MyFile,MyWindow,MyWidth,MyHeight,scrollbars) {
	var myPopup;
	if (typeof(scrollbars) == 'undefined') {scrollbars = 'yes';}
	var ns4 = (document.layers)? true:false; //NS 4
	var ie4 = (document.all)? true:false; //IE 4
	var dom = (document.getElementById)? true:false; //DOM
	var xMax, yMax, xOffset, yOffset;

    if (ie4 || dom) {
		xMax = screen.width;
		yMax = screen.height;
	} else if (ns4) {
		xMax = window.outerWidth;
		yMax = window.outerHeight;
	} else {
		xMax = 800;
		yMax = 600;
	}
	xOffset = (xMax - MyWidth)/2;
	yOffset = (yMax - MyHeight)/2;
	myPopup = window.open(MyFile,MyWindow,'width='+MyWidth+',height='+MyHeight+',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',toolbar=no,menubar=no,location=no,status=no,directories=no,resizable=yes,scrollbars='+scrollbars);
	myPopup.focus();
}

function email(user,domain,label,link) {
	var address = user+'@'+domain;
	var toWrite = '';
	if (link > 0) {toWrite += '<a href="mailto:'+address+'">';}
	if (label != '') {toWrite += label;} else {toWrite += address;}
	if (link > 0) {toWrite += '</a>';}
	document.write(toWrite);
}