$(function() {
	$('.main-nav ul li a img').hover(
		function() {
			if (this.src.indexOf('-sel') < 0) {
				this.src = this.src.replace( /\.jpg$/, '-over.jpg' );
			}
		},
		function() {
			
			if (this.src.indexOf('-sel') < 0) {
				this.src = this.src.replace( /-over\.jpg$/, '.jpg' );
			}
		}
	);
	
  $('#certifications span[title], span.tooltip').qtip({
     content: {
        text: false // Use each elements title attribute
     },
		style: { 
			name: 'cream',
			border: { width: 1 } 
		}
  });

});