// Email Form Check


function emailcheck(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("Please enter a valid email address.")
return false
}

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

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

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

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

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

if (str.indexOf(" ")!=-1){
alert("Please enter a valid email address.")
return false
}
return true 
}

function ValidateEmail(){
var emailID=document.formmail.txtEmail

if ((emailID.value==null)||(emailID.value=="")){
alert("Please enter your email address")
emailID.focus()
return false
}
if (emailcheck(emailID.value)==false){
emailID.value=""
emailID.focus()
return false
}
return true
}