// JavaScript Document

var pic="TU4.gif"; 
var alt="Ư¸¡Í¼Æ¬ËµÃ÷"; 
var speed=120; 
var light=0; 

var stop=0; 
var num=0; 

var brOK=false; 
var mie=false; 
var aver=parseInt(navigator.appVersion.substring(0,1)); 
var aname=navigator.appName; 

var vmin=2; 
var vmax=5; 
var vr=2; 
var timer1; 

var allyes; 

var ns = (document.layers) ? 1 : 0; 
var ie = (document.all) ? 1 : 0; 
var bFade=false; 

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(); 
} 
} 

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=10; 
this.yy=10; 
this.timer1=null; 
} 

function movechip(chipname){ 
if (stop!=1){ 
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; 
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){ 
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+"')",speed); 
} 
} 
else {chip.timer1=setTimeout("movechip('"+chip.named+"')",speed);} 
if (ie){ 
if (light==1){ 
var nOpacity=oImg.filters.alpha.opacity; 
if (nOpacity>=100) bFade=true; 
if (nOpacity<=0) bFade=false; 
if (bFade) oImg.filters.alpha.opacity--; 
if (!bFade) oImg.filters.alpha.opacity++; 
} 
} 

} 

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

function allyes1(){ 
if (num==0){ 
checkbrOK(); 
allyes=new Chip("allyes",100,80); 
if(brOK) { 
movechip("allyes"); 
} 
} 
num++; 
} 
if (ie){ 
document.write("<div ID='allyes' STYLE='position:absolute;left: 10px; top: 10px;'>"); 
document.write("<a HREF='http://www.gandan120.com/dzbl/' target='_blank' title='bbs'>"); 
if (light==1){ 
document.write("<dd><img SRC='" + pic + "' onload='allyes1()' ID='oImg' border='0' alt='" + alt + "' style='position:absolute;left:200px;top:200px;filter:alpha(opacity=50);' onMouseOver='stop=1;' onMouseOut='stop=0;'></a></dd>"); 
} 
else if (light==0){ 
document.write("<dd><img SRC='" + pic + "' onload='allyes1()' border='0' alt='" + alt + "' onMouseOver='stop=1;' onMouseOut='stop=0;'></a></dd>"); 
} 
document.write("</div>"); 
} 
else if (ns){ 
document.write("<layer name='allyes' visibility=\"show\" onMouseOver='stop=1;' onMouseOut='stop=0;' onload='allyes1()' >"); 
document.write("<a HREF='http://www.gandan120.com/dzbl' target='_blank' title='bbs'>"); 
document.write("<dd><img SRC='" + pic + "' border='0' alt='" + alt + "'></a></dd>"); 
document.write("</layer>"); 
}