rem: return -1; 
add: return false; 
context: function decode_base64( what ){	var base64_decodetable = new Array (		255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,		255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,		255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,  62, 255, 255, 255,  63,		 52,  53,  54,  55,  56,  57,  58,  59,  60,  61, 255, 255, 255, 255, 255, 255,		255,   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,		 15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25, 255, 255, 255, 255, 255,		255,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,		 41,  42,  43,  44,  45,  46,  47,  48,  49,  50,  51, 255, 255, 255, 255, 255	);	var result = "";	var len = what.length;	var x, y;	var ptr = 0;	while( !isNaN( x = what.charCodeAt( ptr++ ) ) )	{		if( ( x > 127 ) || (( x = base64_decodetable[x] ) == 255) )			return -1;		if( ( isNaN( y = what.charCodeAt( ptr++ ) ) ) || (( y = base64_decodetable[y] ) == 255) )			return -1;		result += String.fromCharCode( (x << 2) | (y >> 4) );		if( (x = what.charCodeAt( ptr++ )) == 61 )		{			if( (what.charCodeAt( ptr++ ) != 61) || (!isNaN(what.charCodeAt( ptr ) ) ) )				return -1;		}		else		{			if( ( x > 127 ) || (( x = base64_decodetable[x] ) == 255) )				return -1;			result += String.fromCharCode( (y << 4) | (x >> 2) );			if( (y = what.charCodeAt( ptr++ )) == 61 )			{				if( !isNaN(what.charCodeAt( ptr ) ) )					return -1;			}			else			{				if( (y > 127) || ((y = base64_decodetable[y]) == 255) )					return -1;				result += String.fromCharCode( (x << 6) | y );			}		}	}	return result;}
meta: 7371	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7371/a85d4102cd173c6e1d125f5ba34ee7bd4eab5dba/base64.js/buggy/caudium/trunk/server/unfinishedmodules/formauth-digest/base64.js