jQuery(document).ready(function($){

  
  //Fade-In Hover for Footer Icons
  $('.cat_1,.cat_2,.cat_3,.cat_4,.cat_5,.cat_6')
    .append('<span class="hover">&nbsp</span>').each(function () {
      $('span.hover', this).css('opacity', 0);
      $(this).hover(function () {
        $('span.hover', this).stop().fadeTo(500, 1);
      }, function () {
        $('span.hover', this).stop().fadeTo(500, 0);
      });
  });
  
  
  //START Autogrow JS  	
     //Private variables
     var colsDefault = 0;
     var rowsDefault = 0;
     //var rowsCounter = 0;

     //Private functions
     function setDefaultValues(txtArea)
     {
     	colsDefault = txtArea.cols;
     	rowsDefault = txtArea.rows;
     	//rowsCounter = document.getElementById("rowsCounter");
     }

     function bindEvents(txtArea)
     {
     	txtArea.onkeyup = function() {
     		grow(txtArea);
     	}
     }

     //Helper functions
     function grow(txtArea)
     {
         var linesCount = 0;
         var lines = txtArea.value.split('\n');

         for (var i=lines.length-1; i>=0; --i)
         {
             linesCount += Math.floor((lines[i].length / colsDefault) + 1);
         }

         if (linesCount >= rowsDefault)
             txtArea.rows = linesCount + 1;
     	else
             txtArea.rows = rowsDefault;
     	//rowsCounter.innerHTML = linesCount + " | " + txtArea.rows;
     }

     //Public Method
     jQuery.fn.autoGrow = function(){
     	return this.each(function(){
     		setDefaultValues(this);
     		bindEvents(this);
     	});
     };

  //END Autogrow JS

});