var arrIOImg = new Array();
var arrIImg = new Array();

for( var i = 1; i <= 5; i++ ) {
	arrIOImg[i-1] = new Image();
	arrIOImg[i-1].src = 'img/it_' + i + '_on.jpg';

	arrIImg[i-1] = new Image();
	arrIImg[i-1].src = 'img/it_' + i + '.jpg';
}

function bluring() 
{
	if( event.srcElement.tagName == 'A' || event.srcElement.tagName == 'IMG' )
		document.body.focus();
}

function init() 
{
	document.onfocusin = bluring;
}