function shadows () {
	// jak IE <= 6 to wychodzimy
	if ($.browser.msie && $.browser.version <=6) return;

	var colL = $('#col-left-home'),
		colL_O = colL.offset();
		colL_T = colL_O.top,
		colL_L = colL_O.left,
		colL_H = colL.height(),
		colL_W = colL.width();

	var colR = $('#col-right-home'),
		colR_O = colR.offset(),
		colR_T = colR_O.top,
		colR_H = colR.height();

	var hL = colL_H + colL_T,
		hR = colR_H + colR_T;

	// wysokosci kolumn
	var hContent;

	if (hL > hR) {
		hContent = colR.find('.col').height ();
		colR.find('.col').height (hContent+hL-hR);
	} else if (hL < hR) {
		hContent = colL.find('.col').height ();
		colL.find('.col').height (hContent+hR-hL);
	}

	// cien (lewa kolumna)
	// nowe rozmiary
	colL_O = colL.offset();
	colL_T = colL_O.top;
	colL_H = colL.height();

	if (!$('#shLM').length) {
		$('body')
			/* left */			.append ($('<div id="shLM" class="shadow-l">'))
			/* right */			.append ($('<div id="shRM" class="shadow-r">'))
			/* top */			.append ($('<div id="shTM" class="shadow-t">'))
			/* left-top */		.append ($('<div id="shLTM" class="shadow-lt">'))
			/* right-top */		.append ($('<div id="shRTM" class="shadow-rt">'))
		;
	}
	$('#shLM').css({'left':colL_L-4, 'top':colL_T+9}).height(colL_H-10 + $('#footer-home').height());
	$('#shRM').css({'left':colL_L+colL_W, 'top':colL_T+9}).height(colL_H-10);
	$('#shTM').css({'left':colL_L+9, 'top':colL_T-4}).width(colL_W-18);
	$('#shLTM').css({'left':colL_L-4, 'top':colL_T-4});
	$('#shRTM').css({'left':colL_L+colL_W-9, 'top':colL_T-4});
}

$(document).ready(function(){
	shadows ();
});
$(window).resize(function(){
	shadows ();
});