function isEmpty(o){return (!o||!o.value||o.value==0||o.value==""?true:false);}
function isValidEmail(v){return (v.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/)==-1?false:true);}
function isFigure(v){return (v.search(/^[0-9]+$/)==-1?false:true);}