document.getElementById("service").style.top = 150 + "px";
window.onscroll=function()
{
	var scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
	document.getElementById("service").style.top = scrollTop + 150 + "px";
}
function close_service()
{
	document.getElementById("service").innerHTML = "";
	document.getElementById("service").style.width = "0px";
	document.getElementById("service").style.height = "0px";
}
//新秀