function addFavor(){ 
	var title="補給站樂器";
	var url="http://www.supplymusic.com.tw/";
	if (document.all) 
	window.external.AddFavorite(url, title); 
	else if (window.sidebar) 
	window.sidebar.addPanel(title, url, "") 
}

function userPanel(){
	
	if(document.getElementById("user_panel_div").style.display == "none"){
		document.getElementById("user_panel_div").style.display = "";
	}else{
		document.getElementById("user_panel_div").style.display = "none";
	}
}

function userZone(){
	
	if(document.getElementById("user_zone_div").style.display == "none"){
		document.getElementById("user_zone_div").style.display = "";
	}else{
		document.getElementById("user_zone_div").style.display = "none";
	}
}


var imgError = function(imgObj,width){
	imgObj.src='./imgs/noImg_'+width+'.gif';
	
}