var specialArray = new Array()
var specialIndex = 0;
var currentIndex = 0;
var caishow_f = getF();
var goto_url = "";
var img_url = "";
var img_alt = "";
addArray();
getIndex(-1);
setParameters();

function addItem(gotoUrl, imgUrl, imgAlt) {

	var tempArray = new Array(2);
	tempArray[0] = gotoUrl;
	tempArray[1] = imgUrl;
	tempArray[2] = imgAlt;
	specialArray[specialIndex++] = tempArray;
}

function addArray() {
	
	addItem("http://www.mobileads.cn/bmccsx.asp","http://www.colorring.com.cn/images/shanxin.gif","");
}

function getIndex(id) {
	var rnd = Math.random();
	var sid = 0;
	var isRandom = true;
	if ((id >= 0) && (id <= specialArray.length)) sid = id
	if (id != -1) isRandom = false;
	if (isRandom) currentIndex = Math.round(rnd * (specialArray.length - 1));
	else currentIndex = sid;
}

function setParameters() {
	goto_url = specialArray[currentIndex][0];
	img_url = specialArray[currentIndex][1];
	img_alt = specialArray[currentIndex][2];
}

function getF(id) {
	var tmp = parseInt(id);
	if (isNaN(tmp)) tmp = 6;
	return tmp;
}

function test() {
	for (var i = 0; i < specialArray.length; i++) {
		for (var j = 0; j < 3; j++) {
			document.write(specialArray[i][j] + "<br>");
		}
	}
}

var brOK=false;
var mie=false;
var vmin=2;
var vmax=5;
var vr=3;
var timer1;
var jobads;

function movechip(chipname)
{
	if(brOK)
	{
		eval("chip="+chipname);
		if(!mie)
		{
			pageX=window.pageXOffset;
			pageW=window.innerWidth;
			pageY=window.pageYOffset;
			pageH=window.innerHeight;
		} 
		else
		{
			pageX=window.document.body.scrollLeft;
			pageW=window.document.body.offsetWidth-8;
			pageY=window.document.body.scrollTop;
			pageH=window.document.body.offsetHeight;
		}
		chip.xx=chip.xx+chip.vx;
		chip.yy=chip.yy+chip.vy;
		chip.vx+=vr*(Math.random()-0.5);
		chip.vy+=vr*(Math.random()-0.5);
		if(chip.vx>(vmax+vmin))  chip.vx=(vmax+vmin)*2-chip.vx;
		if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
		if(chip.vy>(vmax+vmin))  chip.vy=(vmax+vmin)*2-chip.vy;
		if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
		if(chip.xx<=pageX)
		{
			chip.xx=pageX;
			chip.vx=vmin+vmax*Math.random();
		}
		if(chip.xx>=pageX+pageW-chip.w)
		{
			chip.xx=pageX+pageW-chip.w;
			chip.vx=-vmin-vmax*Math.random();
		}
		if(chip.xx>=680)
		{
			chip.xx=chip.xx-20;
			chip.vx=-vmin-vmax*Math.random();
		}
		if(chip.yy<=pageY)
		{
			chip.yy=pageY;
			chip.vy=vmin+vmax*Math.random();
		}
		if(chip.yy>=pageY+pageH-chip.h)
		{
			chip.yy=pageY+pageH-chip.h;
			chip.vy=-vmin-vmax*Math.random();
		}
		if(!mie)
		{
			eval('document.'+chip.named+'.top ='+chip.yy);
			eval('document.'+chip.named+'.left='+chip.xx);
		}
		else
		{
			eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
			eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
		}
		chip.timer1=setTimeout("movechip('"+chip.named+"')",80);
	}
}

function stopme(chipname)
{
	if(brOK)
	{
		eval("chip="+chipname);
		if(chip.timer1!=null)
		{
			clearTimeout(chip.timer1)
		}
	}
}

function jobads()
{
	if(navigator.appName.indexOf("Internet Explorer")!=-1)
	{
		if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();mie=true;
	}
	if(navigator.appName.indexOf("Netscape")!=-1)
	{
		if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();
	}
	jobads.named="jobads";
	jobads.vx=vmin+vmax*Math.random();

	jobads.vy=vmin+vmax*Math.random();
	jobads.w=1;
	jobads.h=1;
	jobads.xx=0;
	jobads.yy=0;
	jobads.timer1=null;
	movechip("jobads");
}

document.write('<div id="jobads" style="height:49px;left:178px;position:absolute;top:1237px;width:70px; z-index:1000">');
document.write('<a href="' + goto_url + '" target="_blank" onmouseover=stopme("jobads"); onmouseout=movechip("jobads");>');
document.write('<img src="' + img_url + '" border="0" width="120" height="200" alt="' + img_alt + '"></a></div>');
jobads();