My Little Scripts - JavaScript Quicksort algorithm demo

function quick_sort()
{
         this.partition =
         function(left, pivot, right)
         {
                  this.left = left;
                  this.pivot = pivot;
                  this.right = right;
         }

         this.quick_sort =
         function(input)
         {
                  if(input == this.partitions[this.current_partition].pivot)
                  {
                     if(this.partitions[this.current_partition].left + 1 < this.partitions[this.current_partition].pivot)
                     {
                        this.partitions[this.partitions.length] = new this.partition(this.partitions[this.current_partition].left, 
                                                                                     this.partitions[this.current_partition].pivot - 1, 
                                                                                     this.partitions[this.current_partition].pivot - 1);
                     }
                     
                     if(this.partitions[this.current_partition].pivot + 1 < this.partitions[this.current_partition].right)
                     {
                        this.partitions[this.partitions.length] = new this.partition(this.partitions[this.current_partition].pivot + 1, 
                                                                                     this.partitions[this.current_partition].right, 
                                                                                     this.partitions[this.current_partition].right);                     
                     }
                     
                     if(this.current_partition < this.partitions.length - 1)
                     {
                        this.current_partition++;
                        setTimeout(this.name + '.quick_sort(' + this.partitions[this.current_partition].left + ');', this.speed);
                     }
                  }
                  else
                  {
                     if(this.in_ascending_order(input, this.partitions[this.current_partition].pivot))
                     {
                        setTimeout(this.name + '.quick_sort(' + (input + 1) + ');', this.speed);
                     }
                     else
                     {
                        setTimeout(this.name + '.quick_sort_swap(' + input  + ');', this.speed);
                     }
                  }
         }

         this.quick_sort_swap =
         function(input)
         {
                  if(input + 1 == this.partitions[this.current_partition].pivot)
                  {
                     this.swap(input, this.partitions[this.current_partition].pivot);
                     this.partitions[this.current_partition].pivot = input; 
                     this.quick_sort(this.partitions[this.current_partition].pivot);
                  }
                  else
                  {
                     this.swap(input, this.partitions[this.current_partition].pivot - 1);
                     setTimeout(this.name + '.quik_sort_advance_pivot(' + input + ');', this.speed);
                  }
                  
         }
         
         this.quik_sort_advance_pivot =
         function(input)
         {
                  this.swap(this.partitions[this.current_partition].pivot - 1, this.partitions[this.current_partition].pivot)
                  this.partitions[this.current_partition].pivot--;
                  setTimeout(this.name + '.quick_sort(' + input + ');', this.speed);
         }
                           
         this.partitions = Array();
         this.partitions[0] = new this.partition(0, this.inputs.length - 1, this.inputs.length - 1);
         this.current_partition = 0;
         
         this.quick_sort(0);
}

var quick;

function go()
{
         quick = new sort_array('quick', 10);
         quick.populate(-100, 100);
         quick.sort = quick_sort;
         document.getElementById('quick_populate').onclick = function(){quick.populate(-100, 100);}
         document.getElementById('quick_reset').onclick = function(){quick.reset();}
         document.getElementById('quick_sort').onclick = function(){quick.sort();}
}
QUICK-SORT.JS
