//改变图片大小
function resizepic(thispic)
{
if(thispic.width>600) thispic.width=600;
}
//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+'%';
}
//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';
  }
}
//no copy
window.ClearEvent=function(){event.cancelBubble=false;var sSrcTagName=event.srcElement.tagName.toLowerCase();

return (sSrcTagName=="textarea" || sSrcTagName=="input" || sSrcTagName=="select");}

window.ClearKey=function(){event.cancelBubble=false;var iKeyCode=event.keyCode;return !(iKeyCode==78 && event.ctrlKey);}

with (window.document){oncontextmenu=onselectstart=ondragstart=window.ClearEvent;onkeydown=window.ClearKey;}