// JavaScript Document
function echeck(str) 
{
    var at = "@"
    var dot = "."
    var lat = str.indexOf(at)
    var lstr = str.length
    var ldot = str.indexOf(dot)
    if (str.indexOf(at) == -1) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.indexOf(at) == -1 || str.indexOf(at) == 0 || str.indexOf(at) == lstr) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.indexOf(dot) == -1 || str.indexOf(dot) == 0 || str.indexOf(dot) == lstr) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.indexOf(at, (lat + 1)) != -1) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.substring(lat - 1, lat) == dot || str.substring(lat + 1, lat + 2) == dot) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.indexOf(dot, (lat + 2)) == -1) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    if (str.indexOf(" ") != -1) {
        alert("Invalid E-mail - Please enter a vaild email address")
        return false
    }

    return true
}

function ValidateForm() 
{
    var emailID = document.testform.Contact0Email

    if ((emailID.value == null) || (emailID.value == "")) {
        alert("Please Enter your Email")
        emailID.focus()
        return false
    }
    if (echeck(emailID.value) == false) {
        emailID.value = ""
        emailID.focus()
        return false
    }
    return true
}