how to copy data to clipboard in javascript for any browser

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ASP.NET

Javascript

Hi,
I have to copy data to clipboard.
I have used following code,

var clipboarddiv=document.getElementById('divclipboardswf');  
     if(clipboarddiv==null)  
     {  
        clipboarddiv=document.createElement('div');  
            clipboarddiv.setAttribute("name", "divclipboardswf");  
        clipboarddiv.setAttribute("id", "divclipboardswf");  
        document.body.appendChild(clipboarddiv);  
     }  
         clipboarddiv.innerHTML='<embed src="../javascript/clipboard.swf" FlashVars="clipboard='+  
 encodeURIComponent(strResult)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';  
       
     alert('The text is copied to your clipboard...'); 	

But it is not working.
for IE

window.clipboardData.setdata("Text",strResult)

it is working but not for another browser.


please help me