var chatImageSpan = document.getElementById('chatImageSpan');  chatImageSpan.innerHTML = "<a href='javascript:void(0);' onclick='javascript:window.open( chatUrlPreffix + \"ChatEnduserWelcomePage.jsp?queue=\" + chatQueue + \"&accountID=\" + chatAccnt ,\"\",\"width=400px,height=660px,toolbar=no,resizable=yes,scrollbars=yes,directories=no,menubar=no,location=no\")' ><img src=''  border='0' style='cursor:pointer' alt='ChatImage' id='ChatImage' name='ChatImage' /></a>";  var chatImage = document.getElementById('ChatImage');  chatImage.src = offlineImage;