open 动态修改img的onclick事件示例代码

var imgsrc = document.getElementById("imgsrc").getElementsByTagName('img'); 
imgsrc[0].style.cursor="hand"; 
imgsrc[0].onclick = new Function( "openArticle('/RssCommServlet?catalogid=29')"); 
imgsrc[1].style.cursor="hand"; 
imgsrc[1].onclick = new Function( "openArticle('/RssCommServlet?catalogid=30')"); 
imgsrc[2].style.cursor="hand"; 
imgsrc[2].onclick = new Function( "openArticle('/RssCommServlet?catalogid=31')"); <!-- 
function openArticle(url) 
{ 
if(url=='') 
return; 
var option = ""; 
window.open(url,'',option); 
} 
var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false); 
var isNS4 = (document.layers ? true : false); 
function getRef(id) 
{ 
if (isDOM) return document.getElementById(id); 
if (isIE4) return document.all[id]; 
if (isNS4) return document.layers[id]; 
} 
function openNotice(url,winOption) 
{ 
if(url=='') 
return; 
window.open(url,'',winOption); 
} 
function openWin(url,left,top,width,height) 
{ 
if(url=='') 
return; 
var winOption = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+width+",height="+height+",left="+left+",top="+top; 
window.open(url,'',winOption); 
return; 
} 
function openWin(url,left,top,width,height,resizable) 
{ 
if(url=='') 
return; 
var winOption = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable="+resizable+",width="+width+",height="+height+",left="+left+",top="+top; 
window.open(url,'',winOption); 
return; 
} 
//-->