function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function setImg(ID,btnName,btnSrc){
	var ID,btnName,btnSrc;
	//loadEvery(btnName);
			//设定当前btn路径
			eval("document." + btnName + ID + ".src ='"+ btnSrc +"';");
}

/**
* 重新设定图片大小
*/
function resizepic(picname,picid,width_v,height_v){
	var pic=document.getElementById("img"+picid);
	var imgID = new Image();
	if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){
		imgID.src = picname;
	}else
	{
		var i = String(Math.floor(Math.random()*10000)+1);
		imgID.src = picname+"?id="+i;
	}
	imgID.onload = function()
	{
		pic.src=imgID.src;
		if(pic.offsetWidth > width_v || pic.offsetHeight > height_v){
			if((width_v/height_v)>(pic.offsetWidth/pic.offsetHeight)){
				if(pic.offsetWidth>width_v){
					pic.width=width_v;
				}else{
					pic.width=pic.offsetWidth;
					pic.style.marginLeft = (parseInt(width_v,10) - pic.offsetWidth) / 2 + "px";
				}
				toph = (pic.offsetHeight-height_v)/2;
				document.getElementById("imgdiv"+picid).scrollTop = toph;
			}else{
				if(pic.offsetHeight>height_v){
					pic.height=height_v;
				}else{
					pic.height=pic.offsetHeight;
					pic.style.marginTop = (parseInt(height_v,10) - pic.offsetHeight) / 2 + "px";
				}
				leftw = (pic.offsetWidth-width_v)/2;
				document.getElementById("imgdiv"+picid).scrollLeft = leftw;
			}
		}else{
			pic.width=pic.offsetWidth;
			pic.height=pic.offsetHeight;
	     	pic.style.marginTop = (parseInt(height_v,10) - pic.offsetHeight) / 2 + "px";
	     	pic.style.marginLeft = (parseInt(width_v,10) - pic.offsetWidth) / 2 + "px";
		}
		imgID.onload=null;
	}
	pic.onload=null;
}
