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JSFiddle Demo
, , 6 .. :
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HTML
<div class="form-group">
<label for="txtDate">LABEL</label>
<input type="text" class="txtcalendar" id="txtDate" placeholder="E.g. mm/dd/yyyy" />
<span>
<img class="calendar"src="https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcRkW2p-FHKOHJhdBUX1to1VfGMWn18eGlZgDRU5YHLrzw8rkDgB" alt=""/>
<img class="calendar"src="https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcRkW2p-FHKOHJhdBUX1to1VfGMWn18eGlZgDRU5YHLrzw8rkDgB" alt=""/>
</span>
</div>