var navButtons = new Array();

navButtons['nav0'] = new newButton('but-today');
navButtons['nav1'] = new newButton('but-10day');
navButtons['nav2'] = new newButton('but-20day');
navButtons['nav3'] = new newButton('but-30day');
navButtons['nav4'] = new newButton('but-40day');
navButtons['nav5'] = new newButton('but-50day');
navButtons['nav6'] = new newButton('but-60day');
navButtons['nav7'] = new newButton('but-70day');
navButtons['nav8'] = new newButton('but-80day');
navButtons['nav9'] = new newButton('but-90day');

function newButton( imgName ) {
	this.on = new Image();
	this.on.src = '/news/images/' + imgName + '-on.gif';
	this.off = new Image();
	this.off.src = '/news/images/' + imgName + '.gif';
}

function btnOn( btnName ) {
	document[btnName].src = navButtons[btnName].on.src;
}

function btnOff( btnName ) {
	document[btnName].src = navButtons[btnName].off.src;
}

function windOpen( src ) {
	var wind;

	wind = window.open(src, "Preview", "scrollbars=yes,toolbar=no,menubar=yes,resizable=yes,top=0,width=400,height="+(screen.height-200));
	wind.focus();
}