// JavaScript Document


$(function(){
    var wid=$(".content").width();	
	var hei=$(".content").height();
});

function showMe(){
    window.open("ad.html","_blank");
}

function closeMe(){ 
   var ishow=document.getElementById("show");	
    ishow.style.display="none";
}

function closePiaofu(){
    var piaofu=document.getElementById("piaofu");
	piaofu.style.display="none";
}
function closePiao(){
    var piaofushow=document.getElementById("show");
	piaofushow.style.display="none";
}


var xPos=300;
var yPos=200; 
var step=1;
var delay=30; 
var width=0;
var height=0;
var Hoffset=0;
var Woffset=0;
var yon=1;
var xon=1;
var pause=true;
var interval;
function changePos() 
{
	var piaofu=document.getElementById("piaofu");
	width=document.body.clientWidth;
	height=document.body.clientHeight;
	Hoffset=piaofu.offsetHeight;
	Woffset=piaofu.offsetWidth;
	piaofu.style.left=xPos+document.body.scrollLeft;
	piaofu.style.top=yPos+document.body.scrollTop;
	if (yon==0) 
		{yPos=yPos+step;}
	else 
		{yPos=yPos-step;}
	if (yPos<0) 
		{yon=0;yPos=0;}
	if (yPos>=(height-Hoffset)) 
		{yon=1;yPos=(height-Hoffset);}
	if (xon==0) 
		{xPos=xPos+step;}
	else 
		{xPos=xPos-step;}
	if (xPos<0) 
		{xon=0;xPos=0;}
	if (xPos>=(width-Woffset)) 
		{xon=1;xPos =(width-Woffset);}
	}
	
function start()
	 {
	 	//piaofu.visibility = "visible";
		move=setInterval(changePos,delay);
		}

start();