//改变图片大小 
function resizepic(thispic)
{
if(thispic.width>550) thispic.width=550;
}
//无级缩放图片大小
//function bbimg(o)
//{
//  var zoom=parseInt(o.style.zoom, 10)||100;
//  zoom+=event.wheelDelta/12;
//  if (zoom>0) o.style.zoom=zoom+'%';
//  return false;
//}
//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
//更改字体大小
var status0='';
var curfontsize=10;
var curlineheight=18;
function fontZoomA(){
  if(curfontsize>8){
    document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
	document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
  }
}
function fontZoomB(){
  if(curfontsize<64){
    document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
	document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
  }
}
//消除JS错误

function killErrors(){
return true;
}
window.onerror = killErrors;
//改变背景颜色
function setColor(color_val){
document.getElementById('myTable').style.backgroundColor=color_val;
}
//弹出层