function showTab_text(){
  	document.getElementById('commentDesc').style.display = '';
    
		document.getElementById('commentTextTab').style.backgroundColor = '#BDB5B3';
		document.getElementById('commentImage').style.display = 'none';	
		document.getElementById('commentImageTab').style.backgroundColor = '#E7E7E7';
		document.getElementById('commentVideo').style.display = 'none';
	  document.getElementById('commentVideoTab').style.backgroundColor = '#E7E7E7';    	
		document.getElementById('commentLink').style.display = 'none';
	  document.getElementById('commentLinkTab').style.backgroundColor = '#E7E7E7';
	  
	  clearUnwantedFields();
	}
	
	function clearUnwantedFields()
	{
	  try{
	      document.getElementById('videoEmbed').style.display = '';
    }catch(e)
    {  }
    
    try{
	    document.getElementById('imageEmbed').style.display = '';
    }catch(e)
    {  }

    try{
	    document.getElementById('paraURL').style.display = '';
    }catch(e)
    {  }
    	 
    try{      
	    document.getElementById('titleDesc').value = '';
    }catch(e)
    {  }
    
    try{	    
      document.getElementById('url').value = '';	
    }catch(e)
    { } 
  }
	
	function showTab_Image(){
	
   	document.getElementById('commentDesc').style.display = '';
		
    document.getElementById('commentTextTab').style.backgroundColor = '#E7E7E7';
    	
		document.getElementById('commentImage').style.display = '';
    document.getElementById('commentImageTab').style.backgroundColor = '#BDB5B3';
    	
		document.getElementById('commentVideo').style.display = 'none';
    document.getElementById('commentVideoTab').style.backgroundColor = '#E7E7E7';	
    
		document.getElementById('commentLink').style.display = 'none';
    document.getElementById('commentLinkTab').style.backgroundColor = '#E7E7E7';
    
    clearUnwantedFields();
    	
	}
	
	function showTab_Video(){
	   document.getElementById('commentDesc').style.display = '';
     	
		  document.getElementById('commentTextTab').style.backgroundColor = '#E7E7E7';
		  document.getElementById('commentImage').style.display = 'none';	
		  document.getElementById('commentImageTab').style.backgroundColor = '#E7E7E7';
		  document.getElementById('commentVideo').style.display = '';
      document.getElementById('commentVideoTab').style.backgroundColor = '#BDB5B3';    	
		  document.getElementById('commentLink').style.display = 'none';
      document.getElementById('commentLinkTab').style.backgroundColor = '#E7E7E7';
      
      clearUnwantedFields();  
           	
	}
	
	function showTab_Link(){
	
	  try{ 
	
		    document.getElementById('commentDesc').style.display = 'none';
	      document.getElementById('commentTextTab').style.backgroundColor = '#E7E7E7';    
    	
		    document.getElementById('commentImage').style.display = 'none';
	      document.getElementById('commentImageTab').style.backgroundColor = '#E7E7E7';
        	
		    document.getElementById('commentVideo').style.display = 'none';
	      document.getElementById('commentVideoTab').style.backgroundColor = '#E7E7E7';
        	
		    document.getElementById('commentLink').style.display = '';
        document.getElementById('commentLinkTab').style.backgroundColor = '#BDB5B3';
    
        document.getElementById('paraURL').style.display = 'none';
        
      }catch(e)
      {    }  
          	
	}
	
	function copyTitleToDesc() {
	   var titleData='';
	   var descData='';
		 
		 titleData = document.getElementById('titleDesc').value;
     document.getElementById('comment').value = titleData;
     
	}
	
		function copyWesbiteNameToURL() {
	   var websiteData='';
	   var descData='';
		 
		 websiteData = document.getElementById('websiteDesc').value;
		 document.getElementById('url').value = websiteData;
     
	}
	
	function clearSearchField(){
	  document.getElementById('s').value = '';
	}