function goF(a){
if(parent.location.href.substr(parent.location.href.length-7)=='_M.html'){
	if(a.substr(a.length-1)=='/')	a+='index.html';
	parent.mF0.location=a.substr(0,a.length-5)+'_F.html';
	parent.t1F(0);
}
else{location.href=a;}
}