var imgurl = "http://images.ly.com/";//图片域名
function checkstr(str)
{

if(str>=48&&str<=57)//数字
{
return 1;
}
else if(str>=65&&str<=90)//大写字母
{
return 2;
}
else if(str>=97&&str<=122)//小写字母
{
return 3;
}
else//特殊字符
{
return 4;
}
}
function checkl(string)
{
n=false;
s=false;
t=false;
l_num=0;
if(string.length<6)
{
l_num=1;
}
else
{
for(i=0;i<string.length;i++)
{
   asc=checkstr(string.charCodeAt(i));
   if(asc==1&&n==false){l_num+=1;n=true;}
   if((asc==2||asc==3)&&s==false){l_num+=1;s=true;}
   if(asc==4&&t==false){l_num+=1;t=true;}
}
}
return l_num;
}

function checklevel(psw)
{
	/*
color="#C7DAF3";
color_l="#ff0000";
color_m="#ff9900";
color_h="#33cc00";
*/
if(psw==null||psw=='')
{
lcor=imgurl+"front/passlevel_low_off.jpg";
mcor=imgurl+"front/passlevel_mid_off.jpg";
hcor=imgurl+"front/passlevel_high_off.jpg";
}
else
{
thelev=checkl(psw)
switch(thelev)
{
   case 1:
    lcor=imgurl+"front/passlevel_low_on.jpg";
	mcor=imgurl+"front/passlevel_mid_off.jpg";
	hcor=imgurl+"front/passlevel_high_off.jpg";
   break;
   case 2:
    lcor=imgurl+"front/passlevel_low_off.jpg";
	mcor=imgurl+"front/passlevel_mid_on.jpg";
	hcor=imgurl+"front/passlevel_high_off.jpg";
   break;
   case 3:
    lcor=imgurl+"front/passlevel_low_off.jpg";
	mcor=imgurl+"front/passlevel_mid_off.jpg";
	hcor=imgurl+"front/passlevel_high_on.jpg";
   break;
   default:
    lcor=imgurl+"front/passlevel_low_off.jpg";
	mcor=imgurl+"front/passlevel_mid_off.jpg";
	hcor=imgurl+"front/passlevel_high_off.jpg";
}
}
/*
document.getElementById("passlevel_low").style.background=lcor;
document.getElementById("passlevel_mid").style.background=mcor;
document.getElementById("passlevel_high").style.background=hcor;
*/
document.getElementById("passlevel_low").src=lcor;
document.getElementById("passlevel_mid").src=mcor;
document.getElementById("passlevel_high").src=hcor;
}
//检查密码强弱
function check_pwd_level(psw)
{
	var ll = document.getElementById("low");
	var lm = document.getElementById("middle");
	var lh = document.getElementById("high");

	if(psw==null||psw=='')
	{
		ll.className = "tabb";
		lm.className = "tabb";
		lh.className = "tabb";
	}
	else
	{
		thelev=checkl(psw)
		switch(thelev)
		{
		   case 1:
				ll.className = "taba";
				lm.className = "tabb";
				lh.className = "tabb";
				break;
		   case 2:
				ll.className = "taba";
				lm.className = "taba";
				lh.className = "tabb";
			    break;
		   case 3:
				ll.className = "taba";
				lm.className = "taba";
				lh.className = "taba";
			    break;
		   default:
				ll.className = "tabb";
				lm.className = "tabb";
				lh.className = "tabb";
		}
	}
}
//头部显示时间
function get_time()
{
	var str = "";
	var myDate = new Date();
	var Week = ['日','一','二','三','四','五','六']; 
	var da = myDate.toLocaleString();
	var wday = myDate.getDay();
	str = da + ' ' + '星期' + Week[wday];
	$('show_time').innerHTML = str;
	window.setTimeout("get_time()",1000);
}
window.onload = get_time;