//Default Images
imagesDefault = new Array();
imagesDefault[ 1 ] = new Image();
imagesDefault[ 1 ].src = '/img/headerTopLink1.gif';
imagesDefault[ 2 ] = new Image();
imagesDefault[ 2 ].src = '/img/headerTopLink2.gif';
imagesDefault[ 3 ] = new Image();
imagesDefault[ 3 ].src = '/img/headerTopLink3.gif';
imagesDefault[ 4 ] = new Image();
imagesDefault[ 4 ].src = '/img/headerTopLink4.gif';
imagesDefault[ 5 ] = new Image();
imagesDefault[ 5 ].src = '/img/headerTopLink5.gif';
imagesDefault[ 6 ] = new Image();
imagesDefault[ 6 ].src = '/img/headerTopLink6.gif';
imagesDefault[ 7 ] = new Image();
imagesDefault[ 7 ].src = '/img/headerTopLink7.gif';
// usability_ninja.html
imagesDefault[ 8 ] = new Image();
imagesDefault[ 8 ].src = 'http://www.wondermill.com/jakobnielson_thumbsdown.jpg';

//Mouse Over Images
imagesOver = new Array();
imagesOver[ 1 ] = new Image();
imagesOver[ 1 ].src = '/img/headerTopLink1-over.gif';
imagesOver[ 2 ] = new Image();
imagesOver[ 2 ].src = '/img/headerTopLink2-over.gif';
imagesOver[ 3 ] = new Image();
imagesOver[ 3 ].src = '/img/headerTopLink3-over.gif';
imagesOver[ 4 ] = new Image();
imagesOver[ 4 ].src = '/img/headerTopLink4-over.gif';
imagesOver[ 5 ] = new Image();
imagesOver[ 5 ].src = '/img/headerTopLink5-over.gif';
imagesOver[ 6 ] = new Image();
imagesOver[ 6 ].src = '/img/headerTopLink6-over.gif';
imagesOver[ 7 ] = new Image();
imagesOver[ 7 ].src = '/img/headerTopLink7-over.gif';
// usability_ninja.html
imagesOver[ 8 ] = new Image();
imagesOver[ 8 ].src = 'http://www.wondermill.com/jakobnielson_thumbsup.jpg';


function mouseOver( value, index )
{
	value.src = imagesOver[ index ].src;
}

function mouseOut( value, index )
{
	value.src = imagesDefault[ index ].src;
}