window.onload = function()
{
	setupRollover();
	setupGallery();
}


/* Handles the menu's rollover */
function setupRollover()
{
	var tabBar = document.getElementById( "tabBar" );
	if( !tabBar )
		return;

	var links = tabBar.getElementsByTagName( "a" );
	for( var i = 0; i < links.length; ++i )
	{
		var bgdImg = links[i].style.backgroundImage;
		if( bgdImg.indexOf( "_active" ) > 0 )
			continue;

		links[i].basePart = bgdImg.substring( 0, bgdImg.indexOf( ".png)" ) );
		var img = new Image(); img.src = links[i].basePart.substring( 4 ) + "_hover.png"; //preload images
		links[i].onmouseover = function()
		{
			this.style.backgroundImage = this.basePart + "_hover.png)";
		}
		links[i].onmouseout = function()
		{
			this.style.backgroundImage = this.basePart + ".png)";
		}
	}
}