function gup(name) {
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if (results != "" && results != null)
	return results[1];
 }
 
function popup() {
	isStore = gup("store");
	if (isStore != "1") {
		// show dark screen and spash window
		document.getElementById("overlay").style.display = "block";
		document.getElementById("boxDrag").style.display = "block";
	}
}

function closeWin() {
	document.getElementById("overlay").style.display = "none";
	document.getElementById("boxDrag").style.display = "none";
}