$(document).ready(function(){
		handleColumns();
	});
	
	function handleColumns() {
		var oneImage = $(".img-block").length;
		var curColor = $("#wrapper").attr("class");
		
		if (oneImage == 1 && curColor == "red")
		{
			$("#wrapper").addClass("red-one-column");
		}
		if (oneImage == 1 && curColor == "green")
		{
			$("#wrapper").addClass("green-one-column");
		}
		if (oneImage == 1 && curColor == "blue")
		{
			$("#wrapper").addClass("blue-one-column");
		}
		
	}