var pops;
var pop_theTop = 30		/*这是默认高度,越大越往下*/; 
var old_h = pop_theTop;

//获取页面被卷曲的高度
function GetScroll_h(){
	if (window.innerHeight) {
		pos = window.pageYOffset
	}else if(document.documentElement && document.documentElement.scrollTop){
    		pos = document.documentElement.scrollTop
  	}else if (document.body) {
		pos = document.body.scrollTop;
		}
	return pos;
	}
//获取屏幕宽度
function GetScreen_W(){
	return window.screen.width;
	}
function setPop(){
	pops.style.left = GetScreen_W()-21-120 +"px";
	}
	
function pop_moveTips() {
	pops = document.getElementById('pop_float');
	setPop();
	var tt=50;
	var s_pos;
	s_pos = GetScroll_h();
	s_pos=s_pos-pops.offsetTop+pop_theTop;
	s_pos=pops.offsetTop+s_pos/10;
 
	if (s_pos < pop_theTop) pos = pop_theTop;
	if (s_pos != old_h) {
	pops.style.top = s_pos+"px";
	tt=10;
	}
	old_h = s_pos;
	setTimeout(pop_moveTips,tt);
}

function pop_Close(){
	pops.innerHTML = "";
	pops.style.width= 0 +"px";
}