// JScript 文件

function valNum() 
{ 
    if (event.keyCode > 47 && event.keyCode < 58 )
        event.returnValue = true;
    else
        event.returnValue=false;
} 


function checkUp(o,n)
{
    var nextObj;
   
    switch(o.id)
    {
        case "txtPhone1":
            nextObj="txtPhone2";
            break;
        case "txtPhone2":
            nextObj="txtPhone3";
            break;
        case "txtPhone3":
            nextObj="txtPhone3";
            break;
    }
    if(o.value.length==n)
    {
        document.getElementById(nextObj).focus();
    }
}

function ValidateData()
{
    if(document.getElementById("txtName").value.length == 0)
    {
        alert("Name can not be empty!");
        return false;
    }
    else if (document.getElementById("txtEmail").value.length == 0 || !document.getElementById("txtEmail").value.match( /^.+@.+$/ ) ) 
    {
        alert("Please enter the correct email!");
        return false;
    }
    else if(document.getElementById("txtOther").value.length == 0)
    {
        alert("Other Comment/Requirements can not be empty!");
        return false;
    }
}