<img src="29587e40dd86443dbad8a489cab3bcce.png" id="DemoImg" border="0" onclick="SaveAs5(this.src)">
function SaveAs5(imgURL) {
var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串var isOpera = userAgent.indexOf("Opera") > -1;
if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera) {
var oPop = window.open(imgURL, "", "width=1, height=1, top=5000, left=5000");
for (; oPop.document.readyState != "complete";) {
if (oPop.document.readyState == "complete")
break;
}
oPop.document.execCommand("SaveAs");
oPop.close();
} else {
var a = document.createElement("a");
a.href = imgURL;
a.click();
}
}