var imgs = new Array();
tempImg0 = new Image();
tempImg0.src = '/i/nav_back2.png';
tempImg1 = new Image();
tempImg1.src = '/i/nav_back3.png';
imgs[0] = tempImg0;
imgs[1] = tempImg1;

function ShowButton(number, action)
{
	document.getElementById('nav_link' + number).style.background = action ? 'url(/i/nav_back3.png)' : 'url(/i/nav_back2.png)';
	document.getElementById('n_link' + number).style.color = action ? '#0074dc' : '#003361';
}