Magento Remove Edit Button And Make It Editable Once We Click On Textfield

we are using following code for Price. we provided auto update the price text field using following code. Phtml <input type = "text" id = "qty_<?php echo $products->getId(); ?>" onkeydown="validateNumbers(event)" name = "stock" value = "<?php echo (int) $SellerQty; ?>" /> <p id="updatedqty_<?php echo $products->getId(); ?>" style = "display:none;color:red;">Updated</p> <br/> <button id="update_button_<?php echo $products->getId(); ?>" class="button wk_mp_btn1" onclick="updateField('<?php echo $products->getId(); ?>',<?php echo $assignqty;?>); return false;" > <span><span style="font-size:12px;"><?php echo $helper->__('Update') ?></span></span> </button> <button id="reset_button_<?php echo $products->getId(); ?>" type="reset" class="cancel" onclick="hideReset('<?php echo $products->getId(); ?>'); return false;" > <span><span><?php echo $helper->__('Cancel') ?></span></span> </button>pan><span style="font-size:12px;"><?php echo $helper->__('Update') ?></span></span> </button>

js

 function hideReset(product_id) {

            var qtyId='#qty_'+ product_id;
            var editLink="#edit_link_"+ product_id;
            var updateButton="#update_button_"+ product_id;
            var resetButton="#reset_button_"+ product_id;


            $wk_jq(editLink).show();

        }

function showField(product_id)
        {

            var qtyId='#qty_'+ product_id;

            var editLink="#edit_link_"+ product_id;
            var updateButton="#update_button_"+ product_id;
            var resetButton="#reset_button_"+ product_id;

            $wk_jq(qtyId).show();

            $wk_jq(editLink).hide();
            $wk_jq(updateButton).show();
            $wk_jq(updateButton).prop('disabled', false);//just in case
            $wk_jq(resetButton).show();

            return false;


        }

function updateField(product_id,assignqty)
        {
            var qtyId = '#qty_'+ product_id;
            var valueId = '#valueqty_'+ product_id;
            var updatedqty = '#updatedqty_'+ product_id;


            var editLink = "#edit_link_"+ product_id;
            var updateButton = "#update_button_"+ product_id;
            var resetButton = "#reset_button"+ product_id;
            var url ='<?php echo Mage::getUrl('marketplace/marketplaceaccount/updateField/')?>';



            $wk_jq(editLink).hide();
            $wk_jq(updateButton).show();
            $wk_jq(resetButton).show();

            $qty = $wk_jq(qtyId).val();
            jQuery(valueId).html($qty);
            hideReset(product_id);

            var tmpQty=assignqty+ parseInt($qty) ;

            new Ajax.Request(url, {
                method: 'post',
                parameters: {id: product_id, qty: tmpQty},
                onComplete: function (transport) {
                    //alert(transport.responseText);
                    jQuery(priceId).val($price);
            // $wk_jq(priceId).setValue($price);

                    jQuery(updatedqty).show().delay(2000).fadeOut();

                    $updateButton.prop('disabled', false);

                    // $wk_jq(qtyId).setValue($qty);



                }
            });
        }