function changeFeatureInfo(type){
	if (undefined != type && ""!=type){
		var imgList = document.getElementsByTagName("IMG");
		for(var index=0; index<imgList.length; index++){
			var id = imgList[index].id;
			var pos = id.indexOf("_sf");
			if ((-1!=pos)&&(id.length==pos+3)) {
				var tmp_index = id.substring(0, pos);  
				if (type==tmp_index){
					document.getElementById(id).style.display = "";
				}else{
					document.getElementById(id).style.display = "none";
				}
			}
			
		}	
	}
}


function featureNavigate(){
	var feature = document.getElementById("chooseFeature").value;
	self.location="/shipping/" + feature + ".action";
}