Onchange提交表单-需要帮助 [英] Onchange submit form - need help

问题描述

我具有以下表单，并且想要松开提交按钮，将其自动化以进行onchange提交..

Hi,

I have the following form and want to loose the submit button, automate it to onchange submit..

<td width="1000" align="right">
<div class="form_content">
<form name="newad" method="post" action="/newad.php?step=1">
	<label>{""}<span class="mandatory"></span></label><br><br>
	<select id="category" name="category">
	<option value="">{"Novo anúncio, seleccione uma categoria.."}</option>
	{foreach from=$categories item=v name=cat}
		{if $v.parent==1}
		<optgroup label="{$v.str}{$v.name}">
		{else}
		<option value="{$v.id}" {if $tmp.category==$v.id}selected="selected"{/if}>{$v.str}{$v.name|escape:"html"}</option>
		{if ( $smarty.foreach.cat.index!=$categories|@count-1 && $v.parent_id!=$categories[$smarty.foreach.cat.iteration].parent_id) || ($smarty.foreach.cat.index==($categories|@count-1) && $v.parent_id!=0)}
		</optgroup>
		{/if}

		{/if}
	{/foreach}
	</select>


<div class="buttons">
    	<button type="submit" name="Choose_categ" class="positive">
        	{"Criar anúncio"}
    	</button>
	</div>
</br>
</br>
</div>
</td>
</pre>

Can anyone help me please, thanx in advance.</br></br></div>

推荐答案

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categories item=v name=cat} {if

v.parent == 1} < optgroup =" {

v.parent==1} <optgroup label="{

v. str} {

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