Array.implement({every:function(fn,bind){for(var i=0,l=this.length;i<l;i++){if(!fn.call(bind,this[i],i,this))return false;}
return true;},filter:function(fn,bind){var results=[];for(var i=0,l=this.length;i<l;i++){if(fn.call(bind,this[i],i,this))results.push(this[i]);}
return results;},clean:function(){return this.filter($defined);},indexOf:function(item,from){var len=this.length;for(var i=(from<0)?Math.max(0,len+from):from||0;i<len;i++){if(this[i]===item)return i;}
return-1;},map:function(fn,bind){var results=[];for(var i=0,l=this.length;i<l;i++)results[i]=fn.call(bind,this[i],i,this);return results;},some:function(fn,bind){for(var i=0,l=this.length;i<l;i++){if(fn.call(bind,this[i],i,this))return true;}
return false;},associate:function(keys){var obj={},length=Math.min(this.length,keys.length);for(var i=0;i<length;i++)obj[keys[i]]=this[i];return obj;},link:function(object){var result={};for(var i=0,l=this.length;i<l;i++){for(var key in object){if(object[key](this[i])){result[key]=this[i];delete object[key];break;}}}
return result;},contains:function(item,from){return this.indexOf(item,from)!=-1;},extend:function(array){for(var i=0,j=array.length;i<j;i++)this.push(array[i]);return this;},getLast:function(){return(this.length)?this[this.length-1]:null;},getRandom:function(){return(this.length)?this[$random(0,this.length-1)]:null;},include:function(item){if(!this.contains(item))this.push(item);return this;},combine:function(array){for(var i=0,l=array.length;i<l;i++)this.include(array[i]);return this;},erase:function(item){for(var i=this.length;i--;i){if(this[i]===item)this.splice(i,1);}
return this;},empty:function(){this.length=0;return this;},flatten:function(){var array=[];for(var i=0,l=this.length;i<l;i++){var type=$type(this[i]);if(!type)continue;array=array.concat((type=='array'||type=='collection'||type=='arguments')?Array.flatten(this[i]):this[i]);}
return array;},hexToRgb:function(array){if(this.length!=3)return null;var rgb=this.map(function(value){if(value.length==1)value+=value;return value.toInt(16);});return(array)?rgb:'rgb('+rgb+')';},rgbToHex:function(array){if(this.length<3)return null;if(this.length==4&&this[3]==0&&!array)return'transparent';var hex=[];for(var i=0;i<3;i++){var bit=(this[i]-0).toString(16);hex.push((bit.length==1)?'0'+bit:bit);}
return(array)?hex:'#'+hex.join('');}});