function G(id){
	return document.getElementById(id);
}
function switchTab(n){
	for(var i=1;i<=3;i++){
		G("skinTab"+i).className = "skin2";
		G("skinCon"+i).style.display = "none";
	}
	G("skinTab"+n).className = "skin1";
	G("skinCon"+n).style.display = "block";
}
function showMenu(){
	G("menu").style.display = G("menu").style.display == "block"?"none":"block";
}
function highlightTab(f,b){
	if(f.className!="skin1"){
		f.className = f.className=="skin2"?"skin2 skin3":"skin2";
	}
}