var now_zoom = 1.0;

function FontChange(target,tarF) {
	
	if(tarF==1){
		now_zoom+=0.2;
	}else{
		now_zoom-=0.2;
		if(now_zoom<=0.2)now_zoom=0.2;
	}
	
	document.body.style.zoom=now_zoom;
	return false;
}