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//these are used for the fnHex function, when converting to a hex digit
var HexChars = { "10" : "a",
"11" : "b",
"12" : "c",
"13" : "d",
"14" : "e",
"15" : "f"
};
// fnVerifyNumber - Checks a number to make sure its within the proper range and
// type
function fnVerifyNumber( nValue, nLow, nHigh )
{
try
{
var pattern = new RegExp( "^[0-9]{" + String(nLow).length + "," + String(nHigh).length + "}$", "g" );
if ( pattern.test ( nValue ) )
{
if ( (nValue < nLow) || (nValue > nHigh) )
return false;
else
return true;
}
else
{
return false;
}
}
catch ( err )
{
return false;
}
}
//Verify that the guid is properly formatted and within the proper range.
function fnVerifyGUID( gGUID )
{
//The assumptions that we make is that the GUID will consist of letters from a-f (lowercase only!!!)
//and the numbers 0-9 in the exact pattern as the sample guid. If the guid does not match, then it fails
// sample guid: bc94ebaa-195f-4dcc-a4c5-6722a7f942ff
gGUID = String(gGUID).toLowerCase();
var pattern = /^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/g;
if ( pattern.test( gGUID ) )
return true;
else
return false;
}
//This routine will calculate a hex version of the number passed in
// nInt = The number to convert
// useNumLen = the number of bytes to extend to: eg 12 will yield an 12 digit value padded with zeros at front
function fnHex ( nInt, useNumLen )
{
var nHexNum = "";
var nSize = 8;
if ( useNumLen )
nSize = nInt.length;
nInt = Math.abs( nInt );
for ( i=0 ; i < nSize ; i++ )
{
var Remainder = nInt % 16;
//we have to account for roundoff error with javascript. the .5 does it.
nInt = Math.round( ((nInt / 16) - .5 ) );
if ( Remainder > 9 )
nHexNum = HexChars[ String( Remainder )] + nHexNum;
else
nHexNum = String( Remainder ) + nHexNum;
}
return nHexNum;
}
//trims the leading and trailing spaces on a string
//this function has been added to the string object.
function fnTrim ( szString )
{
pattern = /^(\s*)|(\s*)$/g
try
{
if ( String( szString ) != "undefined" )
{
szString = szString.replace( pattern, "" );
}
return szString;
}
catch ( err )
{
return "undefined";
}
}
String.prototype.trim = fnTrim;
function fnEncode ( nNum )
{
var changeSign = Math.round( Math.random() * 7) + 1 ;
if ( nNum < 0 )
{
changeSign = 9;
nNum *= -1;
}
var randNum = Math.round( Math.random() * 99 );
var randFinalNum = Math.round ( Math.random() * 99 );
var randMultiplier = Math.round( Math.random() * 8 ) + 1 ;
var randLen = String( randNum).length;
var nNumLen = String( nNum * randMultiplier ).length;
var done = changeSign + "" + randLen + "" + randNum + "" + randMultiplier + "" + nNumLen + "" + (nNum*randMultiplier) + "" + randFinalNum
done = fnHex ( done, true );
if ( changeSign < 0 )
done = "-" + done;
return ( done )
}
function fnDecode( nNum )
{
var nNum = new String( Number( nNum ) );
var changeSign = nNum.substr( 0, 1 );
if ( changeSign == "9" )
var changeSign = -1;
else
var changeSign = 1;
var randLen = Number ( nNum.substr ( 1, 1 ) ) + 2;
var randMultiplier = Number ( nNum.substr( randLen, 1 ) );
var nNumLen = Number ( nNum.substr( randLen + 1, 1 ) );
var preNum = nNum.substr( Number(randLen) + 2 , nNumLen );
var final = changeSign * (preNum / randMultiplier);
return final;
}
//this functiion assumes that all the localized strings are present in the file
//that is calling this include.
function fnPrintLinks( szCancelURL, szContinueURL )
{
Response.Write("