function popUpCheck( domain, doc ){

	screen_height = window.screen.availHeight;
	screen_width = window.screen.availWidth;
	left_point = parseInt(screen_width/2)-(780/2);
	top_point = parseInt(screen_height/2)-(400/2);
	result = window.open( domain + doc + '.html', 'loginGTT','width=800,height=488,toolbar=0,location=0,scrollbars=0,status=0,resizable=0,fullscreen=0,left=' + left_point + ',top=' + top_point);

	//alert( result );
	if (result == null) {
		//alert( result );
		location.replace("html/attention.html");
	}
	result.focus();
}