if(navigator.userAgent.indexOf("Mac")!=-1){ 
document.write("<link href=http://www.tera-house.ac.jp/tec/css/mac.css rel=stylesheet type=text/css>");
} 
else {
document.write("<link href=http://www.tera-house.ac.jp/tec/css/win.css rel=stylesheet type=text/css>"); 
} 

function Openwin(html,name,width,height,scroll,resize) {
SubWindow=window.open(html,name,"width="+width+",height="+height+",toolbar=0,location=0,status=0,menubar=0,scrollbars="+scroll+",resizable="+resize+"");
	SubWindow.focus();
}