function toggleBINFrame( obj ) {
    var upc = obj.getAttribute( 'upc' );

    document.getElementById( 'binIFrame' ).src = document.getElementById( 'binIFrame' ).src.replace( /\d{12}/ , upc );
    document.getElementById( 'upc' ).value = upc;

    document.getElementById( 'binIFrameContainer' ).style.display = 'block';
    document.getElementById( 'binIFrameContainer' ).style.left = ( ( window.getWidth() / 2 ) - 180 ) + window.getScrollLeft() + "px";
    document.getElementById( 'binIFrameContainer' ).style.top  = ( ( window.getHeight() / 2 ) - 167 ) + window.getScrollTop() + "px";
}

window.addEvent('domready', function() {
	if (!$('zipCode')) return;
	$('zipCode').addEvent('focus', function() {
		if ($('zipCode').value == "Enter Zip Code")
		{
			$('zipCode').value = "";
		}
	});
});