function tools(){
	var top=$(document).scrollTop();
	if(($.browser.msie==true)&&($.browser.version==6.0)){
		if(top>168)$("#box1_1").css({position:"absolute",top:top-168});
	}else{
		if(top>168)$("#box1_1").css({position:"fixed",top:0});
	}
	if(top<=168)$("#box1_1").css({position:"static",top:0});
}
$(function(){
	window.onscroll=tools;
	window.onresize=tools;
});