function calcItemPrice(form,callback)
{
new Ajax.Request('/ajax/calc_price?command=calc&callback='+callback,{parameters:form.serialize()});
//console.log( '/ajax/calc_price?command=calc&callback='+callback, form.serialize() );
}
function calcItemPriceObj(obj,callback)
{
new Ajax.Request('/ajax/calc_price?command=calc&callback='+callback,{parameters:obj});
}