var _notLoginPicUrl = 'http://app.51credit.com/picloginview/picnotloginview.gif';


function setPicUrl(_picTag)
{
	if(!checkIsLogin())
		_picTag.src = _notLoginPicUrl;
	else
	{
		_picTag.title = '点击打开...';
		_picTag.onclick=function(){ 
			window.open(_picTag.src); 
		};
	}
}

function setPic(_picName)
{
	if(_picName == '')
		return;
	//alert(_picName);
	var _tags = document.getElementsByTagName('img');
	//alert(_tags.length);
	for(var i = 0; i < _tags.length; i++)
		if(_tags[i].src == _picName)
			if(!checkIsLogin())
				_tags[i].src = _notLoginPicUrl;
			else
			{
				_tags[i].title = '点击打开...';
				_tags[i].onclick=function(){ 
					window.open(_tags[i-1].src); 
				};
			}
}

function checkIsLogin()
{
	var _cookUserName = getCookieVar('usercookie[username]');
	//alert(_cookUserName);
	if(_cookUserName!=null)	
		return true;
	return false;
}

function getCookieVar(_cookieVar)
{
	
	var arg = _cookieVar + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		return GetCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}