function autozoompic(objlist){
arr=objlist.split(",");
for (i=0;i<arr.length;i++){
try{
arr1=arr[i].split("|")
var coll = eval(arr1[0]).getElementsByTagName("img");
if (coll!=null){
for (j=0; j<coll.length; j++){
  if (coll[j].width >arr1[1]){
  coll[j].style.height=coll[j].height/(coll[j].width/arr1[1]);
  coll[j].style.width=arr1[1];}}
}
}catch(e){} }
}
function DrawImage(ImgD,iwidth,iheight){
var flag=false;
var image=new Image();
var iwidth = iwidth; //定义允许图片宽度
var iheight = iheight; //定义允许图片高度
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= iwidth/iheight){
if(image.width>iwidth){ 
ImgD.width=iwidth;
ImgD.height=(image.height*iwidth)/image.width;
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}

//ImgD.alt=image.width+"×"+image.height;
}
else{
if(image.height>iheight){
ImgD.height=iheight;
ImgD.width=(image.width*iheight)/image.height; 
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}
//ImgD.alt=image.width+"×"+image.height;
}
}
} 

//网页保护
function cancel() {
  return false;
}

function clearSelection() {
  document.selection.empty();
}

document.attachEvent("oncontextmenu",cancel);
document.attachEvent("onselectstart",cancel);
document.attachEvent("onselect",cancel);
document.attachEvent("oncopy",cancel);
document.attachEvent("onbeforecopy",cancel);
document.attachEvent("onmouseup",cancel);