// declare global variables
var SubmitFlag;

function ConfirmQuit(book)
{
	if (document.URL.indexOf('int=off',0) > 0)
	{	// block popup if request contaiins this parameter
		return;
	}
	if (SubmitFlag == true)
	{
		return;
	}
	
	return "It only takes 5 minutes to complete this form for a full 12 issues of " + book + ".";
}

function SetSubmitFlag()
{
	SubmitFlag = true;
	return;
}

function ClearSubmitFlag()
{
	SubmitFlag = false;
}