[da_ff]

ie

el = '<img src="' + src + '" alt="' + title + '" contentEditable="false" onResizeStart="return false">';
selectionRange = wnd.document.selection.createRange();
selectionRange.pasteHTML(el);
selectionRange.collapse(true);

gecko

el = wnd.document.createElement('img');
el.src = src;
el.alt = title;

selectionRange = wnd.getSelection().getRangeAt(0);
selectionRange.deleteContents();
selectionRange.insertNode(el);
wnd.getSelection().collapseToEnd();
wnd.getSelection().removeAllRanges();

selectionRange = wnd.document.createRange();
selectionRange.selectNode(el);
wnd.getSelection().addRange(selectionRange);
wnd.getSelection().collapseToEnd();