function getDocumentHeight()
{
	return (document.documentElement.scrollHeight > document.documentElement.offsetHeight)?document.documentElement.scrollHeight:document.documentElement.offsetHeight;
}

function empty(a)
{
	return a == null || a == undefined || a == '' || a == 0 || a == false; 
}

authTryAgain = false;
regTryAgain = false;
showPopupGet1day = false;

function init()
{
	if(authTryAgain)
	{
		openLog();
	}
	else if(regTryAgain)
	{
		openReg();
	} 
	else if(showPopupGet1day)
	{
		popupGet1day();
	} 
}

window.onload = init;

iframe_top = top;
iframe_window = window;