var browser=navigator.userAgent;
if(browser.match("MSIE 6"))
	{
		document.write('<link href="css/ie6.css" rel="stylesheet" type="text/css" />');
	}
if(browser.match("MSIE 7"))
	{
		document.write('<link href="css/ie7.css" rel="stylesheet" type="text/css" />');
	}