$(document).ready( function(){
	$("#steps li").mouseover(function(){
		var id = $(this).attr("class");
		switch(id){
			case "one":
				$("#welcome img.switch").attr("src", "images/sign.png");
				break;
			case "two":
				$("#welcome img.switch").attr("src", "images/partnership.png");
				break;
			case "three":
				$("#welcome img.switch").attr("src", "images/flower.png");
				break;
			case "four":
				$("#welcome img.switch").attr("src", "images/spiral.png");
				break;
		}
	}).mouseout(function(){
		$("#welcome img.switch").attr("src", "images/girl.png");
	});
});