String.prototype.tokenize=tokenize;function tokenize()
{var input="";var separator=" ";var trim="";var ignoreEmptyTokens=true;try
{String(this.toLowerCase());}
catch(e)
{return;}
if(typeof(this)!="undefined")
{input=String(this);}
if(typeof(tokenize.arguments[0])!="undefined")
{separator=String(tokenize.arguments[0]);}
if(typeof(tokenize.arguments[1])!="undefined")
{trim=String(tokenize.arguments[1]);}
if(typeof(tokenize.arguments[2])!="undefined")
{if(!tokenize.arguments[2])
{ignoreEmptyTokens=false;}}
var array=input.split(separator);if(trim)
for(var i=0;i<array.length;i++)
{while(array[i].slice(0,trim.length)==trim)
array[i]=array[i].slice(trim.length);while(array[i].slice(array[i].length-trim.length)==trim)
array[i]=array[i].slice(0,array[i].length-trim.length);}
var token=new Array();if(ignoreEmptyTokens)
{for(var i=0;i<array.length;i++)
if(array[i]!="")
token.push(array[i]);}
else
{token=array;}
return token;}