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(){
	$('.sponsor_box').tabs();
  $('#text_link_dialog').dialog({
  	autoOpen: false,
  	bgiframe: true,
  	height: 320,
  	width: 510,
  	modal: true
  });
  $('#text_dialog_link').click(function(){
  	$('#text_link_dialog').dialog('open');
    return false;
  });
  $('#text_link_dialog_global').dialog({
  	autoOpen: false,
  	bgiframe: true,
  	height: 320,
  	width: 510,
  	modal: true
  });
  $('#text_dialog_link_global').click(function(){
  	$('#text_link_dialog_global').dialog('open');
    return false;
  });
  
	var paypalurl = $('.sponsor_form').attr("action");
	var paypalmail = $(".sponsor_form input[name='business']").val();
	var base = $('.sponsor_form select').val();
	base = base.toLowerCase();
	var amount = parseFloat($('.sponsor_form .currency').html());
	$('.sponsor_form .currency').load(wd_plugindir_url+"function.php?info=get_currency&amount="+amount+"&base="+base+"&target="+base);
	$('.sponsor_form .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();
		$('.sponsor_form .currency').load(wd_plugindir_url+"function.php?info=get_currency&amount="+amount+"&base="+base+"&target="+target);
		$('.sponsor_form .pay_flag').load(wd_plugindir_url+"function.php?info=get_flag&target="+target);	
		if ($(this).val()=='CNY' && paypal_sandbox == false){
//			$('.sponsor_form').attr("action","https://www.paypal.com.cn/cgi-bin/webscr");
			$(".sponsor_form input[name='business']").val(cny_payee_mail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
		if ($(this).val()!='CNY' && paypal_sandbox == false){
//			$('.sponsor_form').attr("action",paypalurl);
			$(".sponsor_form input[name='business']").val(paypalmail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
	});
	
	var dialog_base = $('.dialog_form select').val();
	dialog_base = dialog_base.toLowerCase();
	var dialog_amount = parseFloat($('.dialog_form .currency').html());
	$('.dialog_form .currency').load(wd_plugindir_url+"function.php?info=get_currency&amount="+dialog_amount+"&base="+dialog_base+"&target="+dialog_base);
	$('.dialog_form .pay_flag').load(wd_plugindir_url+"function.php?info=get_flag&target="+dialog_base);	
	$(".dialog_form select").change(function(){
		var target =$(this).val()
		$(".dialog_form select").val(target);
		target= target.toLowerCase();
		$('.dialog_form .currency').load(wd_plugindir_url+"function.php?info=get_currency&amount="+dialog_amount+"&base="+dialog_base+"&target="+target);
		$('.dialog_form .pay_flag').load(wd_plugindir_url+"function.php?info=get_flag&target="+target);	
		if ($(this).val()=='CNY' && paypal_sandbox == false){
//			$('.dialog_form').attr("action","https://www.paypal.com.cn/cgi-bin/webscr");
			$(".dialog_form input[name='business']").val(cny_payee_mail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
		if ($(this).val()!='CNY' && paypal_sandbox == false){
//			$('.dialog_form').attr("action",paypalurl);
			$(".dialog_form input[name='business']").val(paypalmail);
//			alert($("input[name='business']").val()+'  '+paypal_sandbox);
		}
	});
});