function openWin( winName ) {
	var blnCookie	 = getCookie( winName );
	var obj = eval( "window." + winName );
	if( !blnCookie ) {
		 obj.style.display = "block";
	}
}

function closeWin(winName, expiredays) {	
	setCookie( winName, "done" , expiredays);	
	var obj = eval( "window." + winName );
	obj.style.display = "none";
}
function closeWinAt00(winName, expiredays) {	
	setCookieAt00( winName, "done" , expiredays);	
	var obj = eval( "window." + winName );
	obj.style.display = "none";
}

function getCookie( name ) {
	var nameOfCookie = name + "=";
	var x = 0;
	while ( x <= document.cookie.length )
	{
		 var y = (x+nameOfCookie.length);
		 if ( document.cookie.substring( x, y ) == nameOfCookie ) {
			if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
					endOfCookie = document.cookie.length;
			return unescape( document.cookie.substring( y, endOfCookie ) );
		 }
		 x = document.cookie.indexOf( " ", x ) + 1;
		 if ( x == 0 )
			break;
	}
	return "";
}


function setCookie( name, value, expiredays ) {	
	var todayDate = new Date();	
	todayDate.setDate( todayDate.getDate() + expiredays );	
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"	
}

function setCookieAt00( name, value, expiredays ) {	
	 var todayDate = new Date();	
	 todayDate = new Date(parseInt(todayDate.getTime() / 86400000) * 86400000 + 54000000);
	 if ( todayDate > new Date() )
	 {
	 expiredays = expiredays - 1;
	 }
	 todayDate.setDate( todayDate.getDate() + expiredays );	
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"	
}