if(browser.os == "MAC"){
	if(browser.type == "IE"){
		location.href="works_etc.html";
	} else if(browser.type == "OPE"){
		location.href="works.html";
	}
}else{
	if(browser.type == "IE"){
		if(browser.version == "IE5"){
		location.href="works.html";
		}
	}else if(browser.type == "OPE"){
		location.href="works.html";
	}
}