function SwitchCategory(_category)
{
	document.getElementById("feature_a").style.display = (_category == "a") ? "block" : "none";
	document.getElementById("button_feature_a").className = (_category == "a") ? "feature_box_item_top_selected" : "feature_box_item";
	
	document.getElementById("feature_b").style.display = (_category == "b") ? "block" : "none";
	document.getElementById("button_feature_b").className = (_category == "b") ? "feature_box_item_top_selected" : "feature_box_item";
	
	document.getElementById("feature_c").style.display = (_category == "c") ? "block" : "none";
	document.getElementById("button_feature_c").className = (_category == "c") ? "feature_box_item_middle_selected" : "feature_box_item";
	
	document.getElementById("feature_d").style.display = (_category == "d") ? "block" : "none";
	document.getElementById("button_feature_d").className = (_category == "d") ? "feature_box_item_middle_selected" : "feature_box_item";
	
	document.getElementById("feature_e").style.display = (_category == "e") ? "block" : "none";
	document.getElementById("button_feature_e").className = (_category == "e") ? "feature_box_item_middle_selected" : "feature_box_item";
	
	document.getElementById("feature_f").style.display = (_category == "f") ? "block" : "none";
	document.getElementById("button_feature_f").className = (_category == "f") ? "feature_box_item_middle_selected" : "feature_box_item";
	
	document.getElementById("feature_g").style.display = (_category == "g") ? "block" : "none";
	document.getElementById("button_feature_g").className = (_category == "g") ? "feature_box_item_middle_selected" : "feature_box_item";
		
	document.getElementById("feature_h").style.display = (_category == "h") ? "block" : "none";
	document.getElementById("button_feature_h").className = (_category == "h") ? "feature_box_item_middle_selected" : "feature_box_item";

}