Returns a new array without any occurrence of the argument.

array.remove.js

Array.prototype.remove = function(obj){
	// Copy the array, so we don't override it
	var array = this.slice(0);
	
	for(var i = 0; i < array.length; i++){
		
		// Use while-loop to find adjacent equal objects
		while(array[i] === obj){
			// Remove this[i]
			array.splice(i, 1)[0];
		}
	}
	
	return array;
}