function version_down(str){
	if(getCookie('alliance_id'))
		document.getElementById(str).href="http://www.funshion.com/partner/download.php?id="+parseInt(getCookie('alliance_id'));
	else
		document.getElementById(str).href="http://neirong.funshion.com/download/FunshionInstall2.2.0.17.exe";
}
function getCookie(name){
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for (var i = 0; i < ca.length; i++) {
		var c = ca[i];
		while (c.charAt(0) == ' ') c = c.substring(1, c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
	}
	return null;
}