Hola buenas haber si me podeis ayudar que me estoy volviendo loco con este scrip que he hecho tengo un fallo y no se donde esta , es un carrito de compra pero la función añadir cantidad y sumar no funciona , cuando coges y añades una cantidad producto no suma el total sale la cantidad unitaria donde fallo , estaria muy agradecido si me decís donde fallo muchas gracias hos pongo el codigo
<?php
$this->load->view("header");
?>
<script type="text/javascript">
$(document).ready(function(){
$("#change_password_form").validate({errorElement: "p",errorClass:"Frm_Error_Msg",focusInvalid: false})
("#order_amount").numeric();
("#alerts").hide();
if("#alerts_quantity").hide();
$("#order_amount").keyup(function(){
var order_amount=parseInt($("#order_amount").val());
var option_max_purchase=parseInt($("#option_max_purcha se_<?php echo $deal_id?>").val())
var unit_price=parseInt($("#unit_price_<?php echo $deal_id?>").val())
var deal_quantity=parseInt($("#deal_quantity_<?php echo $deal_id?>").val())
var deal_order_amount=parseInt($("#order_amount_<?php echo $deal_id?>").val())
if($("#order_amount").val()=="")
{
order_amount=1;
$("#order_amount").val(1);
}
if(order_amount==0 || order_amount=='')
$("#order_amount").val(1);
else
{
/*if(order_amount>option_max_purchase)
{
$("#order_amount").val(option_max_purchase);
order_amount=parseInt($("#order_amount").val());
$("#alerts").show();
setTimeout('$("#alerts").hide("slow")',3000);
//delay(800);
//setTimeout(50000,"$(\"#alerts\").hide()");
}
var total=order_amount*unit_price;
$(".currency_html .integer").html(+total);
$(".clsMyPrice_Span2").html("$ "+total);
$("#total_price").val(total);*/
}
if(order_amount>deal_quantity)
{
$("#order_amount").val(1);
order_amount=parseInt($("#order_amount").val());
$("#alerts_quantity").show();
setTimeout('$("#alerts_quanity").hide("slow")',300 0);
var total=order_amount*unit_price;
$(".currency_html .integer").html(+total);
$(".clsMyPrice_Span2").html("$ "+total);
$("#total_price").val(total);
}
else
{
});
})
</script>
<style type="text/css">
.clsLoging_Form
{
margin-left:20px;
}
</style>
<div class="clsFloatLeft" id="Main_left">
<div class="inner_pages">
<h1 class="Main_Tittle"><span><?php echo $title?></span></h1>
<div class="clsInput_Bg1">
<div class="inner_content">
<div class="clsUr_Purchase_Blk">
<div id="alerts">
<ul class="alerts info">
<li class="info">Cantidad debe ser<?php echo $deal_max_purchase; if($deal_max_purchase>1) echo 'or less';?>; nos ocupamos de eso para usted
<div></div>
</li>
</ul>
</div>
<div id="alerts_quanity">
<ul class="alerts info"><li class="info">Cantidad Menos Así que usted debe comprar<?php echo $deal_quantity; if($deal_quantity>1) echo ' or less';?>
<div></div>
</li>
</ul>
</div>
<?php
$attribute=array("name"=>"paypal_post","id"=>"payp al_post","method"=>"post");
echo form_open("home/paypal_checkout",$attribute)
?>
<table>
<thead>
<tr>
<th class="grid_9 first">Description</th>
<th class="grid_2 text_center"><label for="order_amount">cantidad</label></th>
<th class="grid_1 text_center"> </th>
<th class="grid_2 text_center">Price</th>
<th class="grid_1 text_center"> </th>
<th class="grid_2 last text_right">Total</th>
</tr>
</thead>
<tbody>
<tr class="line_item">
<td id="gift_options_container" class="grid_9 first">
<p>
<input type="hidden" value="<?php echo $deal_id?>" id="deal_id" name="deal_id">
<input type="hidden" value="<?php echo current_url()?>" id="current_pay_url" name="current_pay_url">
<input type="hidden" value="<?php echo $deal_price?>" id="unit_price_<?php echo $deal_id?>">
<input type="hidden" value="<?php echo $deal_max_purchase?>" id="option_max_purchase_<?php echo $deal_id?>">
<input type="hidden" value="<?php echo $deal_quantity?>" id="deal_quantity_<?php echo $deal_id?>">
<?php echo $deal_title?>
</p>
</td>
<td class="grid_2 text_center quantity">
<input type="text" value="1" size="3" name="order_amount" maxlength="3" id="order_amount" class="numerical input">
</td>
<td class="grid_1 text_center">x</td>
<td class="grid_2 text_center">
<input type="hidden" value="<?php echo $deal_price?>" name="deal_price" id="deal_price">
<span class="deal_price_currency_html">
<span class="unit multi_letter">$</span>
<span class="integer"><?php echo $deal_price?></span></span>
</td>
<td class="grid_1 text_center">=</td>
<td class="grid_2 text_right total">
<span class="currency_html">
<span class="unit multi_letter">$</span>
<span class="integer"><?php echo $deal_price?></span>
</span>
</td>
</tr>
</tbody>
</table>
<input type="hidden" name="total_price" id="total_price" value="<?php echo $deal_price?>" />
<div class="clsMy_Price">
<p class="clearfix"><span class="clsMyPrice_Span1">My Price:</span><span class="clsMyPrice_Span2">$ <?php echo $deal_price?></span></p>
</div>
<br />
<input type="submit" name="complete_order" value="Pay Now" id="complete_order" class="Butt_Bg" style="font-size:9px;"/>
<?php
echo form_close();
?>
</div>
</div>
</div>
</div>
</div>
<?php
$this->load->view("right_side_bar");
?>
<?php
$this->load->view("footer");
?>