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Array.prototype.shuffle = function( b )
{
var i = this.length, j, t;
while( i )
{
j = Math.floor( ( i-- ) * Math.random() );
t = b && typeof this[i].shuffle!=='undefined' ? this[i].shuffle() : this[i];
this[i] = this[j];
this[j] = t;
}
return this;
};
Array.prototype.copy = function()
{
var copy = new Array();
for( var i = 0; i < this.length; i++ ){
copy[i] = this[i];
}
return copy;
}
String.prototype.copy = function()
{
return this.substring( 0, this.length );
};
String.prototype.trim = function( ext )
{
var chars = [
" ", "\t", "\n", "\r"
];
var s = this.copy();
if( arguments.length > 0 ){
for( var i in ext ){
chars.push( ext[i] );
}
}
while( chars.indexOf( s.charAt( 0 ) ) != -1 ){
s = s.substring( 1, s.length );
}
while( chars.indexOf( s.charAt( s.length-1 ) ) != -1 ){
s = s.substring( 0, s.length-1 );
}
return s;
};
String.prototype.replaceAll = function( search, replace )
{
var s = this.copy();
while( s.indexOf( search ) != -1 ){
s = s.replace( search, replace );
}
return s;
};