diff --git a/js/tools.js b/js/tools.js
index 30ae1dfed..c6fe64764 100644
--- a/js/tools.js
+++ b/js/tools.js
@@ -290,4 +290,6 @@ $().ready(function()
 	{
 		$(this).find('.hideOnSubmit').hide();
 	});
+	// attribute target="_blank" is not W3C compliant
+	$('a._blank').attr('target', '_blank');
 });
diff --git a/modules/blockcms/blockcms.tpl b/modules/blockcms/blockcms.tpl
index fde04772f..f54725d09 100755
--- a/modules/blockcms/blockcms.tpl
+++ b/modules/blockcms/blockcms.tpl
@@ -58,7 +58,7 @@
 				{/if}
 			{/foreach}
 			<li><a href="{$link->getPageLink('sitemap')}" title="{l s='sitemap' mod='blockcms'}">{l s='Sitemap' mod='blockcms'}</a></li>
-			{if $display_poweredby}<li class="last_item">{l s='Powered by' mod='blockcms'} <a target="_blank" href="http://www.prestashop.com">PrestaShop</a>&trade;</li>{/if}
+			{if $display_poweredby}<li class="last_item">{l s='Powered by' mod='blockcms'} <a class="_blank" href="http://www.prestashop.com">PrestaShop</a>&trade;</li>{/if}
 		</ul>
 	{$footer_text}
 	</div>
diff --git a/modules/homeslider/homeslider.tpl b/modules/homeslider/homeslider.tpl
index 7168d7dbf..e2ba1b74a 100644
--- a/modules/homeslider/homeslider.tpl
+++ b/modules/homeslider/homeslider.tpl
@@ -46,7 +46,7 @@ var homeslider_pause = {$homeslider.pause};
 	{if $slide.active}
 		<li>
 			<a href="{$slide.url|escape:'htmlall':'UTF-8'}" title="{$slide.description|escape:'htmlall':'UTF-8'}">
-			<img src="{$smarty.const._MODULE_DIR_}/homeslider/images/{$slide.image|escape:'htmlall':'UTF-8'}" alt="{$slide.legend|escape:'htmlall':'UTF-8'}" legend="{$slide.description|escape:'htmlall':'UTF-8'}" height="{$homeslider.height|intval}" width="{$homeslider.width|intval}" />
+			<img src="{$smarty.const._MODULE_DIR_}/homeslider/images/{$slide.image|escape:'htmlall':'UTF-8'}" alt="{$slide.legend|escape:'htmlall':'UTF-8'}" height="{$homeslider.height|intval}" width="{$homeslider.width|intval}" />
 			</a>
 		</li>
 	{/if}
diff --git a/themes/default/history.tpl b/themes/default/history.tpl
index 6e13492bc..71f6261ce 100644
--- a/themes/default/history.tpl
+++ b/themes/default/history.tpl
@@ -59,8 +59,8 @@
 				<td class="history_state">{if isset($order.order_state)}{$order.order_state|escape:'htmlall':'UTF-8'}{/if}</td>
 				<td class="history_invoice">
 				{if (isset($order.invoice) && $order.invoice && isset($order.invoice_number) && $order.invoice_number) && isset($invoiceAllowed) && $invoiceAllowed == true}
-					<a href="{$link->getPageLink('pdf-invoice', true, NULL, "id_order={$order.id_order}")}" title="{l s='Invoice'}" target="_blank"><img src="{$img_dir}icon/pdf.gif" alt="{l s='Invoice'}" class="icon" /></a>
-					<a href="{$link->getPageLink('pdf-invoice', true, NULL, "id_order={$order.id_order}")}" title="{l s='Invoice'}" target="_blank">{l s='PDF'}</a>
+					<a href="{$link->getPageLink('pdf-invoice', true, NULL, "id_order={$order.id_order}")}" title="{l s='Invoice'}" class="_blank"><img src="{$img_dir}icon/pdf.gif" alt="{l s='Invoice'}" class="icon" /></a>
+					<a href="{$link->getPageLink('pdf-invoice', true, NULL, "id_order={$order.id_order}")}" title="{l s='Invoice'}" class="_blank">{l s='PDF'}</a>
 				{else}-{/if}
 				</td>
 				<td class="history_detail">
diff --git a/themes/default/modules/blockcms/blockcms.tpl b/themes/default/modules/blockcms/blockcms.tpl
index 3ec0d506d..5c35ad684 100644
--- a/themes/default/modules/blockcms/blockcms.tpl
+++ b/themes/default/modules/blockcms/blockcms.tpl
@@ -58,7 +58,7 @@
 				{/if}
 			{/foreach}
 			<li><a href="{$link->getPageLink('sitemap')}" title="{l s='sitemap' mod='blockcms'}">{l s='Sitemap' mod='blockcms'}</a></li>
-			{if $display_poweredby}<li class="last_item">{l s='Powered by' mod='blockcms'} <a target="_blank" href="http://www.prestashop.com">PrestaShop</a>&trade;</li>{/if}
+			{if $display_poweredby}<li class="last_item">{l s='Powered by' mod='blockcms'} <a class="_blank" href="http://www.prestashop.com">PrestaShop</a>&trade;</li>{/if}
 		</ul>
 	{$footer_text}
 	</div>