// JavaScript Document
function everif(str) {

var at="@"
        var punct="."
        var lat=str.indexOf(at)
        var lstr=str.length
        var lpunct=str.indexOf(punct)
        if (str.indexOf(at)==-1){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

if (str.indexOf(punct)==-1 || str.indexOf(punct)==0 || str.indexOf(punct)==lstr){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

if (str.indexOf(at,(lat+1))!=-1){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

if (str.substring(lat-1,lat)==punct || str.substring(lat+1,lat+2)==punct){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

if (str.indexOf(punct,(lat+2))==-1){
        alert("Invalid email. Enter a real address!!!")
        return false
        }
  
if (str.indexOf(" ")!=-1){
        alert("Invalid email. Enter a real address!!!")
        return false
        }

return true 
        }

      
function evalid(){
        var emailID=document.contactform.email
        var nameID=document.contactform.name
        var messageID=document.contactform.message

		if ((nameID.value==null) || (nameID.value=="")){
        alert("Please enter a name")
        nameID.focus()
        return false
		}
        if ((emailID.value==null)||(emailID.value=="")){
        alert("Please enter an email address")
        emailID.focus()
        return false
        }
        if (everif(emailID.value)==false){
        emailID.value=""
        emailID.focus()
        return false
        }
		if ((messageID.value==null) || (messageID.value=="")){
        alert("Please enter a message")
        messageID.focus()
        return false
		}
        return true
        }