if (CheckB.Win){//Win
	if (CheckB.Ie){
		SetCSS = "w_ie";
	}else if (CheckB.Ge){
		SetCSS = "w_ge";
	}else if (CheckB.Nn4){
		SetCSS = "w_nn";
	}else {
		SetCSS = "w_ie";
	}
}else if (CheckB.Mac){//Mac
	if (CheckB.Ie){
		SetCSS = "m_ie";
	}else if (CheckB.Ge){
		SetCSS = "m_ge";
	}else if (CheckB.Nn4){
		SetCSS = "m_nn";
	}else {
		var SetCSS = "m_ie";
	}
}else{//‚»‚̀‘¼OS
	SetCSS = "w_ie";
}

document.write('<link rel="stylesheet" type="text/css" href="css/'+SetCSS+'.css">');