function productinfo(product_id, windowname) {
	/*windowname = window.open('product_info.php?products_id='+parseInt(product_id), windowname, 'height=580,width=800,left=200,top=200,scrollbars=no'); */
	windowname = window.open('detail-popup.php?product_id='+parseInt(product_id), windowname, 'height=580,width=800,left=200,top=200,scrollbars=yes'); 
	try
	{
		windowname.focus();
	}catch(e){return false;}
	return false;
}