$('#lnkMF').click(function(){
	if(isLogin==1)
		caobox.show_popup('popup_makefriend_outer',1);
	else
		caobox.show_popup('popup_nologin_outer',1);
});

function subStringElement(e, intLength)
{
	if (e && e.value && e.value.length>intLength)
	{
		var str = e.value;
		str = str.substring(0,intLength);
		e.value = str;
	}
}

function checkLengthElement(id, maxLength, idChar)
{
	var e = document.getElementById(id);
	if (e)
	{
		var n = maxLength-e.value.length;
		if (n<0)
		{
			subStringElement(e,maxLength);
			n=0;
		}
		document.getElementById(idChar).innerHTML=n;
		if (n<0){ return false; }
		return true;
	}
}