$("document").ready(function() {
	$("#headpsbarmenu div, #subheaderizq div").each(function() {			
		var idpadre = $(this).parent().attr("id");
		var py = (idpadre=="headpsbarmenu") ? "-1" : (idpadre=="subheaderguias") ? "-3" : "-8";
		py += "px";
		$(this).mouseover(function() {				
			var bgOp = $(this).css("background-position");
			if(typeof bgOp == "undefined") $(this).css("background-position-y", py);
			else $(this).css("background-position", $(this).css("background-position").split(" ")[0] +" "+py);
		});
		$(this).mouseout(function() {
			$(this).attr("style", "");
			$(this).removeAttr("style");
		});
	});
	$("#subheadercen div").each(function() {
		$(this).mouseover(function() {
			var bgOp = $(this).css("background-position");
			if(typeof bgOp == "undefined") $(this).css("background-position-y", "-2px");
			else $(this).css("background-position", $(this).css("background-position").split(" ")[0] +" -2px");
		});		
		$(this).mouseout(function() {
			$(this).attr("style", "");
			$(this).removeAttr("style");
		});
	});
});