function submitForm(){

	var continueToSubmit = true;

	if( continueToSubmit && document.signupForm.email.value.length == 0 ) {
		continueToSubmit = false;
		alert('You must provide a valid Email address.');
		document.signupForm.email.focus();
	}	

	if(continueToSubmit && document.signupForm.email.value.length != 0){
		var emailValue = document.signupForm.email.value;
		var checker = null;
		if( ( emailValue.indexOf( '@' ) <= 0 ) || 
			( emailValue.indexOf( '.', emailValue.indexOf( '@' ) ) <= 0 ) ) {
			continueToSubmit = false;
			alert('You must provide a valid email address.');
			document.signupForm.email.focus();
		}
		if ( emailValue.match(/yahoo/) != null ||
			emailValue.match(/hotmail/) != null ) {
			countinueToSubmit = false;
			alert('You can not input hotmail/yahoo email address.');
			document.signupForm.emai.focus();
		}
		
	}


	if(continueToSubmit && document.signupForm.name.value.length ==0) {
		continueToSubmit = false;
		alert('You must provide a value for Name.');
		document.signupForm.name.focus()
	}
	if( continueToSubmit ) {
		document.signupForm.submit();
	}
}