function isMail(mail) { 
    return (new RegExp(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/).test(mail)); 
} 

if(isMail(cny_payee_mail) == false) cny_payee_mail = 'ericwzywang@gmail.com';

$(document).ready(function(){
	var paypalurl = $('.sponsor_form').attr("action");
	var paypalmail = $("input[name='business']").val();
	var base = $('.sponsor_form select').val();
	base = base.toLowerCase();
	var amount = parseFloat($('.currency').html());
	$('.currency').load("http://www.ericbess.com/lib/wp-donators/function.php?info=get_currency&amount="+amount+"&base="+base+"&target="+base);
	$('.pay_flag').load(wd_plugindir_url+"function.php?info=get_flag&target="+base);	
	$(".sponsor_form select").change(function(){
		var target =$(this).val()
		$(".sponsor_form select").val(target);
		target= target.toLowerCase();
		$('.currency').load("http://www.ericbess.com/lib/wp-donators/function.php?info=get_currency&amount="+amount+"&base="+base+"&target="+target);
		$('.pay_flag').load(wd_plugindir_url+"/function.php?info=get_flag&target="+target);	
		if ($(this).val()=='CNY' && paypal_sandbox == false){
//			$('.sponsor_form').attr("action","https://www.paypal.com.cn/cgi-bin/webscr");
			$("input[name='business']").val(cny_payee_mail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
		if ($(this).val()!='CNY' && paypal_sandbox == false){
//			$('.sponsor_form').attr("action",paypalurl);
			$("input[name='business']").val(paypalmail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
	});
});