function check_quantity(id,featured){var inp=document.getElementById('product_avail_'+id+featured);if(!inp)
return true;if(isNaN(inp.minQuantity))
inp.minQuantity=products_data[id].min_quantity;if(isNaN(inp.maxQuantity))
inp.maxQuantity=products_data[id].quantity;if(!isNaN(inp.minQuantity)&&!isNaN(inp.maxQuantity)){var q=parseInt(inp.value);if(isNaN(q)){alert(substitute(lbl_product_quantity_type_error,"min",inp.minQuantity,"max",inp.maxQuantity));return false;}
if(q<inp.minQuantity){alert(substitute(lbl_product_minquantity_error,"min",inp.minQuantity));return false;}
if(q>inp.maxQuantity&&is_limit){alert(substitute(lbl_product_maxquantity_error,"max",inp.maxQuantity));return false;}}
return true;}