function s(id){
	if(document.getElementById){
		document.getElementById(id).style.display="";
	}else if(document.all){
		document.all[id].style.display="";
	}else if(document.layers){
		document.layers[id].display="";
	}
} 
function h(id){
	if (document.getElementById){
		document.getElementById(id).style.display="none";
	}else if(document.all){
		document.all[id].style.display="none";
	}else if(document.layers){
		document.layers[id].display="none";
	}
} 
function ch(id){
	if(document.getElementById(id).style.display=="none"){
 		s(id);
 	}else{
 		h(id);
 	}
}
function bgA(id){
	document.getElementById(id).style.background="#333333";
}
function bgP(id){
	document.getElementById(id).style.background="#5A5B5F";
}