function openWin(page) {
	window.open(page,'newwin','width=577,height=400,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no');
}

function openCentered(theURL,winName,winWidth,winHeight,features) {
	var w = (screen.width - winWidth)/2;
	var h = (screen.height - winHeight)/2 - 30;
	features = features+',width='+winWidth+',height='+winHeight+',top='+h+',left='+w;
	window.open(theURL,winName,features); 
}

function noSpam(user, domain) {
	location.href='mailto:'+user+'@'+domain;
}

function cenWin(url, name, w, h) {
  l = (screen.availWidth-10 - w) / 2;
  t = (screen.availHeight-20 - h) / 2;

  features = "width="+w+",height="+h+",left="+l+",top="+t;
  features += ",screenX="+l+",screenY="+t;
  features += ",scrollbars=0,resizable=1,location=0";
  features += ",menubar=0,toolbar=0,status=0";

  window.open(url, name, features);
}