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 ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    //alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true
	}





function isValidEmail(str) {

   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);



}


function Validate()
{

if (document.form1.username.value == '') {
   alert('Please fill in your email address as a username');
    return false;
    }

if (!echeck(document.form1.username.value)) {
    alert('The username is not a valid email address');
    return false;
    }

 if (document.form1.firstname.value == '') {
    alert('Please fill in your first name');
    return false;
    }

if (document.form1.lastname.value == '') {
   alert('Please fill in your last name.');
    return false;
    }

if (document.form1.data3.value == '') {
   alert('Please fill in your street address');
    return false;
    }

if (document.form1.data4.value == '') {
   alert('Please fill in your city');
    return false;
    }

if (document.form1.data5.value == '') {
   alert('Please fill in your state or province');
    return false;
    }

if (document.form1.data6.value == '') {
   alert('Please choose your country');
    return false;
    }

if (document.form1.data7.value == '') {
   alert('Please fill in your postal code');
    return false;
    }

if (document.form1.data8.value == '') {
   alert('Please fill in your phone number');
    return false;
    }

if (document.form1.data10.value == '') {
   alert('Please enter your SSN or Tax ID number');
    return false;
    }


if (document.form1.notificationemail.value == '') {
   alert('Please enter a valid notification email');
    return false;
    }
if (document.form1.agreeWithTerms.checked != true) {
   alert('Please check the box to indicate that you agree with our terms and conditions');
    return false;
    }    
	
if (!echeck(document.form1.notificationemail.value)) {
    alert('The notification email address is not valid');
    return false;
    }


return true;

}