/**
* JavaScript for mod_prod.php
*
* @package Site
* @subpackage Templates
* @author Pavel "Papi" Jartsev <papi@digitalfruit.ee>
*/

function addShoppingCart( prod_id, amount )
{
	if ( ! amount )
		amount = parseInt( document.add_cart_form.amount.value );

	if ( amount > 0 )
		gotoUrl( URL + '&act=add_cart&prod_id=' + prod_id + '&amount=' + amount );
}

function removeShoppingCart( form, prod )
{
	form.elements['amount[' + prod + ']'].value = 0;
	form.act.value = 'chg';
	form.submit();
}

function gotoUrl( url )
{
	document.location.href = url;
}

function updateShoppingCart( form )
{
	form.act.value = 'chg';
	form.submit();
}
function centerLB(width){
	$('lightbox2').style.width=width+"px";
	var w1 = $('lightbox2').offsetWidth;
	var h1 = $('lightbox2').offsetHeight;	
	var w2 = $('overlay2').offsetWidth;
	var h2 = $('overlay2').offsetHeight;

	var left = Math.floor((w2-w1)/2);
	var top = Math.floor((h2-h1)/2);
	top = top<0 ? 0 :top;
	
	$('lightbox2').style.top=top+"px";
	$('lightbox2').style.left=left+"px";
	$('lightbox2').style.opacity="1.0";
	
	$('lightbox2').style.filter="alpha(opacity=100)";
}