function setBackground() {
	var total = 13;
	var index = Math.floor(Math.random() * (total - 1)) + 1;
	
	$("#index_right_column").css("backgroundImage", "url('image/gallery/background_" + index + ".jpg')");
	$(".index_right_column_component").fadeTo(0, 0);
	
	if ($.browser.msie && (parseInt($.browser.version) < 8))
	{
		var image = "url('image/main/component_borders_msie7.png')";
		
		$(".index_right_column_component_top").css("backgroundImage", image);
		$(".index_right_column_component_bottom").css("backgroundImage", image);
	}
		
	setTimeout(function() {$(".index_right_column_component").fadeTo(1000, 0.80)}, 500);
}

function matchHeights(elementIds) {
	if (elementIds.length <= 0)
		return;
	
	var max = 0;	
	
	for (i = 0; i < elementIds.length; i++) 
		max = ($("#" + elementIds[i]).height() > max) ? $("#" + elementIds[i]).height() : max;
		
	for (i = 0; i < elementIds.length; i++)
		$("#" + elementIds[i]).height(max);
}