function validate(name)
{
	var form = document.forms[name];
	var valid = true;
	for( var x = 0 ; x < form.elements.length ; x++ )
	{
		if( form.elements[x].value == "" )
		{
   			alert( "Cannot submit form, " + form.elements[x].name + " is empty" );
			valid = false;
		}
	}	
	valid = isValidEmail( form.elements['Email'].value );
	return valid;
}

function isValidEmail(str) {
    if( str.search(/^.+@.+\..+$/) )
    {
        alert( "Invalid Email Address Entered" );
        return false;        
    }
    else
       return true;
}