/* Replace standard image with mobile version*/
	jQuery(function($){
	  // get the document width
	  var documentWidth = $(document).width();
	  
	  // default to mobile
	  var screenType = 'mobile'; 
	  
	  if (documentWidth > 1000) {
		// big screen
		screenType = 'big';
	  }
	 
	  // find all images with the data-src-xyz attribute
	  $('img[data-src-' + screenType + ']').each(function(){
		$this = $(this);
		// set the src attribute to the optimised version
		$this.attr('src',$this.attr('data-src-' + screenType));
	  });
	});