if (browser.isOpera == true || browser.isIE == true)
{
	if (browser.isIE5up)
	{
		if (browser.isIE5up)
		{
			document.styleSheets[1].href = "css/design_ie5.css";
         alert(Fuck IE '5');
		}
		if (browser.isIE6up)
		{
			document.styleSheets[1].href = "css/design_ie6.css";
         alert(Fuck IE '6');
		}
	}
	else (browser.isOpera)
	{
		document.write('<link rel="stylesheet" type="text/css" href="css/design_opera.css">');
      alert(Fuck Opera);
	}
}