function newBigWindow_news_letter(URL,WIN_NAME)
{
//alert("ash");
	var HEIGHT=screen.height;
	var POPUP_HEIGHT = HEIGHT-300;
	var POPUP_WIDTH = 780;
	var HEIGHT_POP=screen.height;
	HEIGHT_POP=(HEIGHT_POP/2) - (POPUP_HEIGHT/2);
	var WIDTH_POP=screen.width;
	WIDTH_POP=(WIDTH_POP/2) - (POPUP_WIDTH/2);
	
	window.open(URL,WIN_NAME,'top='+HEIGHT_POP+', left='+WIDTH_POP+', width='+POPUP_WIDTH+',height='+POPUP_HEIGHT+',directories=no,location=no,menubar=no,scrollbars=yes,status=yes,toolbar=no,resizable=yes');
	return false;
}