<!--
//window.onload=no1;
var brOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
function checkbrOK()
{if(aname.indexOf("Internet Explorer")!=-1)
{if(aver>=4) brOK=navigator.javaEnabled();
mie=true;
}
if(aname.indexOf("Netscape")!=-1)
{if(aver>=4) brOK=navigator.javaEnabled();}
}
var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function Chip(chipname,width,height)
{this.named=chipname;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width;
this.h=height;
this.xx=0;
this.yy=0;
this.timer1=null;
}
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.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)
{
if(document.getElementById){
document.getElementById(chip.named).style.top =chip.yy;
document.getElementById(chip.named).style.left =chip.xx;
}else{
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+"')",100);
}
}
function stopme(chipname)
{if(brOK)
{//alert(chipname)
eval("chip="+chipname);
if(chip.timer1!=null)
{clearTimeout(chip.timer1)}
}
}
var no1;
var chip;
function no1()
{checkbrOK();
no1=new Chip("no1",60,80);
if(brOK)
{ movechip("no1");
}
}

function addwh(obj,names,id)
{
form1.name.value = names
form1.w.value=obj.width
form1.h.value=obj.height
form1.id.value = id
form1.fmt.value = 2
}
function addwh1(names,id)
{
form1.name.value = names
form1.w.value=""
form1.h.value=""
form1.id.value = id
form1.fmt.value = 1
}
function addwh2(obj,names,id)
{
form1.name.value = names
form1.w.value=obj.width
form1.h.value=obj.height
form1.fmt.value = 2
}
function addwh3(names,id)
{
form1.name.value = names
form1.w.value=""
form1.h.value=""
form1.fmt.value = 1
}
function checkimg(obj)
{
	if(obj.itemid.options[obj.itemid.selectedIndex].value=="0"){  
		alert("请选择所属栏目！");  
		obj.itemid.focus();  
		return false;  
	}
	if (obj.name.value.length ==0){
	  	alert("请选择一张图片!");
	  	obj.name.focus(); 
	  	return false; 
   		}
	if (obj.id.value.length ==0){
	  	alert("请选择一张图片!");
	  	obj.name.focus(); 
	  	return false; 
   		}
	if (obj.w.value.length ==0){
	  	alert("请输入图片宽度!");
	  	obj.w.focus(); 
	  	return false; 
   	}
	if (isNaN(obj.w.value)) {
		alert("图片宽度请输入数字!");
	  	obj.w.focus(); 
		obj.w.value="";
	  	return false;
	}
	if (obj.h.value.length ==0){
	  	alert("请输入图片高度!");
	  	obj.h.focus(); 
	  	return false; 
   	} 
	if (isNaN(obj.h.value)) {
		alert("图片高度请输入数字!");
	  	obj.h.focus(); 
		obj.h.value="";
	  	return false;
	}
	if (obj.flag.value.length ==0){
	  	alert("请输入图片状态!");
	  	obj.flag.focus(); 
	  	return false; 
   	} 
	if (isNaN(obj.flag.value)) {
		alert("图片状态请输入数字!");
	  	obj.flag.focus(); 
		obj.flag.value="";
	  	return false;
	}
	if (obj.fmt.value.length ==0){
	  	alert("请输入图片格式!");
	  	obj.fmt.focus(); 
	  	return false; 
   	} 
	if (isNaN(obj.fmt.value)) {
		alert("图片格式请输入数字!");
	  	obj.fmt.focus(); 
		obj.fmt.value="";
	  	return false;
	}	
	return true;  
}
//-->