$(function() {

	$.blockUI.defaults.css.border = '2px solid #fff'; 
	$.blockUI.defaults.css.background = '#000'; 
	$.blockUI.defaults.css.top = '128px'; 

	$('#thumbImage').click(function() { 
			var url = $('#thumbImage').attr('rel');
			var html = '<a href="' + url + '" onclick="$.unblockUI(); return false;"><img src="' + url + '"/></a>';
			$.blockUI({ css: { left: ( (screenWidth()/2) - 320), width: '640px', height: '480px' }, message: html }); 
	}); 

	$('#shop-product-meta ul li a').click( function( el ) { 
			$(this).blur();
			var r = $(this).attr('rel').split('|');;
			var thumb = r[0];
			var zoom = r[1];
			var title = r[2];
			$('#thumbImage').css('background', 'url(' + thumb + 'x220y220) top center no-repeat' );
			$('#thumbImage').attr ( 'rel', zoom );
			$('#thumbImage span').html( title );
			return false;
	}); 

});

function screenWidth() {
    if ( window.innerWidth ) {
        return window.innerWidth;
	} else {
		return document.documentElement.clientWidth;
	}
}