function resetForm()
{
    document.getElementById("iSortId").value="0";
    document.getElementById("sProductName_CN").value="";
    document.getElementById("sProductNo").value="";
    document.getElementById("sStartTime").value="";
    document.getElementById("sEndTime").value="";
    document.getElementById("iPriceS").value="";
    document.getElementById("iPriceE").value="";
}
function checkForm()
{
    if(!isNumber(document.getElementById("iPriceS"),'价格只能输入数字'))return false;
    if(!isNumber(document.getElementById("iPriceE"),'价格只能输入数字'))return false;
    return true;
}
function isNumber(elem,msg)
{
    if(elem.value==""||elem.length==0)
    {
     return true;
    }
    var reg=/^[-,+]{0,1}[0-9]{0,}[.]{0,1}[0-9]{0,}$/;
    if(!reg.test(elem.value))
    {
    alert(msg);
    elem.focus();
    return false;
    }
    return true;
}