function z()
{
    for (sheet_i = 0; sheet_i < document.styleSheets.length; sheet_i++) {
	sheet = document.styleSheets[sheet_i];
//	confirm(sheet.href);
	if (sheet.href.substring(0,23) == 'http://w.sharethis.com/') {
	    sheet.disabled = true;
	    return;
	}
//	for (rule_i = 0; rule_i < sheet.rules.length; rule_i++) {
//	    if (sheet.rules[rule_i].selectorText == '.stico_default') {
//		confirm(sheet.rules[rule_i].selectorText);
//		sheet.removeRule[rule_i];
//	    }
//	}
    }
}

z();