// JavaScript Document
function GEId(id){return document.getElementById(id);}
function DispPwdStrength(iN,sHL){
	if(iN>3){ iN=3;}
	for(var i=1;i<4;i++){
		var sHCR="ob_pws0";
		if(i<=iN){ sHCR=sHL;}
		if(iN>0){
		GEId("idSM"+i).className=sHCR;
		}
		//GEId("idSMT"+i).className="ob_pwfont2";
		if (iN>0){
			if (i<=iN){
			GEId("idSMT"+i).style.display=((i==iN)?"inline":"none");
			}
		}
		else{
		GEId("idSMT"+i).style.display=((i==iN)?"none":"inline");
		}
	}
}
/*密码强度 来自.Net Passport注册站*/
function EvalPwdStrength(sP)
{
	if(ClientSideStrongPassword(sP,gSimilarityMap,gDictionary))
	{
		DispPwdStrength(3,'ob_pws3');
	}
	else if(ClientSideMediumPassword(sP,gSimilarityMap,gDictionary))
	{
		DispPwdStrength(2,'ob_pws2');
	}
	else if(ClientSideWeakPassword(sP,gSimilarityMap,gDictionary))
	{
		DispPwdStrength(1,'ob_pws1');
	}
	else
	{
		DispPwdStrength(0,'ob_pws0');
	}
}


var kNoCanonicalCounterpart = 0;
var kCapitalLetter = 0;
var kSmallLetter = 1;
var kDigit = 2;
var kPunctuation = 3;
var kAlpha =  4;
var kCanonicalizeLettersOnly = true;
var kCananicalizeEverything = false;
var gDebugOutput = null;
var kDebugTraceLevelNone = 0;
var kDebugTraceLevelSuperDetail = 120;
var kDebugTraceLevelRealDetail = 100;
var kDebugTraceLevelAll = 80;
var kDebugTraceLevelMost = 60;
var kDebugTraceLevelFew = 40;
var kDebugTraceLevelRare = 20;
var gDebugTraceLevel = kDebugTraceLevelNone;



function CSimilarityMap()
{
this.m_elements = "";
this.m_canonicalCounterparts = "";
}
function SimilarityMap_Add(element, canonicalCounterpart)
{
this.m_elements += element;
this.m_canonicalCounterparts += canonicalCounterpart;
}
function SimilarityMap_Lookup(element)
{
var canonicalCounterpart = kNoCanonicalCounterpart;
var index = this.m_elements.indexOf(element);
if (index >= 0)
{
canonicalCounterpart = this.m_canonicalCounterparts.charAt(index);
}
else
{
}
return canonicalCounterpart;
}

function SimilarityMap_GetCount()
{
return this.m_elements.length;
}
CSimilarityMap.prototype.Add = SimilarityMap_Add;
CSimilarityMap.prototype.Lookup = SimilarityMap_Lookup;
CSimilarityMap.prototype.GetCount = SimilarityMap_GetCount;

function CDictionaryEntry(length, wordList)
{
this.m_length = length;
this.m_wordList = wordList;
}
function DictionaryEntry_Lookup(strWord)
{
var fFound = false;
if (strWord.length == this.m_length)
{
var nFirst = 0;
var nLast = this.m_wordList.length - 1;
while( nFirst <= nLast )
{
var nCurrent = Math.floor((nFirst + nLast)/2);
if( strWord == this.m_wordList[nCurrent])
{
fFound = true;
break;
}
else if ( strWord > this.m_wordList[nCurrent])
{
nLast = nCurrent - 1;
}
else
{
nFirst = nCurrent + 1;
}
}
}
return fFound;
}
CDictionaryEntry.prototype.Lookup = DictionaryEntry_Lookup;

function CDictionary()
{
this.m_entries = new Array()
}
function Dictionary_Lookup(strWord)
{
for (var index = 0; index < this.m_entries.length; index++)
{
if (this.m_entries[index].Lookup(strWord))
{
return true;
}
}
}

function Dictionary_Add(length, wordList)
{
var iL=this.m_entries.length;
var cD=new CDictionaryEntry(length, wordList)
this.m_entries[iL]=cD;
}
CDictionary.prototype.Lookup = Dictionary_Lookup;
CDictionary.prototype.Add = Dictionary_Add;
var gSimilarityMap = new CSimilarityMap();
var gDictionary = new CDictionary();

function CharacterSetChecks(type, fResult)
{
this.type = type;
this.fResult = fResult;
}

function isctype(character, type, nDebugLevel)
{
var fResult = false;
switch(type)
{
case kCapitalLetter:
if((character >= 'A') && (character <= 'Z'))
{
fResult = true;
}
break;
case kSmallLetter:
if ((character >= 'a') && (character <= 'z'))
{
fResult = true;
}
break;
case kDigit:
if ((character >= '0') && (character <= '9'))
{
fResult = true;
}
break;
case kPunctuation:
if ("!@#$%^&*()_+-='\";:[{]}\|.>,</?`~".indexOf(character) >= 0)
{
fResult = true;
}
break;
case kAlpha:
if (isctype(character, kCapitalLetter) || isctype(character, kSmallLetter))
{
fResult = true;
}
break;
default:
break;
}

return fResult;
}

function CanonicalizeWord(strWord, similarityMap, fLettersOnly)
{
var canonicalCounterpart = kNoCanonicalCounterpart;
var strCanonicalizedWord = "";
var nStringLength = 0;
if ((strWord != null) && (strWord.length > 0))
{
strCanonicalizedWord = strWord;
strCanonicalizedWord = strCanonicalizedWord.toLowerCase();

if (similarityMap.GetCount() > 0)
{
nStringLength = strCanonicalizedWord.length;

for(var index = 0; index < nStringLength; index++)
{
if (fLettersOnly && !isctype(strCanonicalizedWord.charAt(index), kSmallLetter, kDebugTraceLevelSuperDetail))
{
continue;
}

canonicalCounterpart = similarityMap.Lookup(strCanonicalizedWord.charAt(index));
if (canonicalCounterpart != kNoCanonicalCounterpart)
{
strCanonicalizedWord = strCanonicalizedWord.substring(0, index) + canonicalCounterpart +
strCanonicalizedWord.substring(index + 1, nStringLength);
}
}
}
}
return strCanonicalizedWord;
}

function IsLongEnough(strWord, nAtLeastThisLong)
{
if ((strWord == null) || isNaN(nAtLeastThisLong))
{
return false;
}
else if (strWord.length < nAtLeastThisLong)
{
return false;
}
return true;
}

function SpansEnoughCharacterSets(strWord, nAtLeastThisMany)
{
var nCharSets = 0;
var characterSetChecks = new Array(
new CharacterSetChecks(kCapitalLetter, false),
new CharacterSetChecks(kSmallLetter, false),
new CharacterSetChecks(kDigit, false),
new CharacterSetChecks(kPunctuation, false)
);
if ((strWord == null) || isNaN(nAtLeastThisMany))
{
return false;
}

for(var index = 0; index < strWord.length; index++)
{
for(var nCharSet = 0; nCharSet < characterSetChecks.length;nCharSet++)
{
if (!characterSetChecks[nCharSet].fResult && isctype(strWord.charAt(index), characterSetChecks[nCharSet].type, kDebugTraceLevelAll))
{
characterSetChecks[nCharSet].fResult = true;
break;
}
}
}
for(var nCharSet = 0; nCharSet < characterSetChecks.length;nCharSet++)
{
if (characterSetChecks[nCharSet].fResult)
{
nCharSets++;
}
}

if (nCharSets < nAtLeastThisMany)
{
return false;
}

return true;
}

function FoundInDictionary(strWord, similarityMap, dictionary)
{
var strCanonicalizedWord = "";

if((strWord == null) || (similarityMap == null) || (dictionary == null))
{
return true;
}
strCanonicalizedWord = CanonicalizeWord(strWord, similarityMap, kCanonicalizeLettersOnly);

if (dictionary.Lookup(strCanonicalizedWord))
{
return true;
}

return false;
}

function IsCloseVariationOfAWordInDictionary(strWord, threshold, similarityMap, dictionary)
{
var strCanonicalizedWord = "";
var nMinimumMeaningfulMatchLength = 0;
if((strWord == null) || isNaN(threshold) || (similarityMap == null) || (dictionary == null))
{
return true;
}
strCanonicalizedWord = CanonicalizeWord(strWord, similarityMap, kCananicalizeEverything);
nMinimumMeaningfulMatchLength = Math.floor((threshold) * strCanonicalizedWord.length);
for (var nSubStringLength = strCanonicalizedWord.length; nSubStringLength >= nMinimumMeaningfulMatchLength; nSubStringLength--)
{
for(var nSubStringStart = 0; (nSubStringStart + nMinimumMeaningfulMatchLength) < strCanonicalizedWord.length; nSubStringStart++)
{
var strSubWord = strCanonicalizedWord.substr(nSubStringStart, nSubStringLength);

if (dictionary.Lookup(strSubWord))
{
return true;
}
}
}
return false;
}

function ClientSideStrongPassword()
{
return (IsLongEnough(ClientSideStrongPassword.arguments[0], "7") &&
SpansEnoughCharacterSets(ClientSideStrongPassword.arguments[0], "3") &&
(!(IsCloseVariationOfAWordInDictionary(ClientSideStrongPassword.arguments[0], "0.6",
ClientSideStrongPassword.arguments[1], ClientSideStrongPassword.arguments[2]))));
}

function ClientSideMediumPassword()
{
return (IsLongEnough(ClientSideMediumPassword.arguments[0], "7") &&
SpansEnoughCharacterSets(ClientSideMediumPassword.arguments[0], "2") &&
(!(FoundInDictionary(ClientSideMediumPassword.arguments[0], ClientSideMediumPassword.arguments[1],
ClientSideMediumPassword.arguments[2]))));
}

function ClientSideWeakPassword()
{
return (IsLongEnough(ClientSideWeakPassword.arguments[0], "6") ||
(!(IsLongEnough(ClientSideWeakPassword.arguments[0], "0"))));
}
function checkse()
{
if (document.getElementById("password1").value=="")
{
idSM1.className="ob_pws0"
idSM2.className="ob_pws0"
idSM3.className="ob_pws0"
}
}

