anchor.diff:  		});
       }
   
  +		
  +		
  +		
  +		
  +	// Hide the extra content initially, using JS so that if JS is disabled, no problemo:
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  +	$('.read-more-show, .read-more-hide').removeClass('hide')
  +
  +	// Set up the toggle effect:
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  +	  $(this).next('.read-more-content').removeClass('hide');
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  +	  e.preventDefault();
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  +	// Changes contributed by @diego-rzg
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  +	  p.addClass('hide');
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  +	  e.preventDefault();
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positive.code: 			        <h1 class="title" id="top">Cre alleles from CREATE (coordination of resources for conditional expression of mutated mouse alleles)</h1>
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  							<p>
  							Mutant mouse ES cell lines are produced, each of which carries an altered or "floxed" allele of a single gene. These mutant ES cell mutations can be readily transformed into mice using blastocyst injection, and the mutation activated by crossing the mouse bearing the floxed allele with a Cre recombinase driver strain to induce the mutation in spatially and temporally determined patterns.
  							</p>
  							<p>
  							Intricate conditional and inducible gene manipulation approaches have led to the generation of cell lineage- or developmental stage-specific alterations under temporal control. The vast number of Cre recombinase-expressing mouse lines - often referred to as "Cre-Zoo" animals - has greatly contributed to these accomplishments by allowing Cre recombinase to be expressed in specific cell types, in some cases in an inducible manner.
  							</p>
  							<p>
  							The full power of conditional mutant ES cell libraries and mice can therefore only be exploited with the availability of well characterised mouse lines expressing Cre-recombinase in tissue, organ and cell type-specific patterns, to allow the creation of somatic mutations in defined genes.
  							</p>
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  							Although several privately curated and locally held databases currently provide a limited catalog of existing Cre driver strains, common problems are: 
  
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