var dID = ""
function changNetWork(Select_id)
{		
	if (dID != "")
	{
		document.getElementById("NetWorkTable" + dID).style.display = "none";			
		document.getElementById("span" + dID).className="font_14_c2";
		document.getElementById("imgL" + dID).src = "images/Default/Net_L.gif";
		document.getElementById("imgR" + dID).src = "images/Default/Net_R.gif";
		document.getElementById("bgImg" + dID).background = "images/Default/Net_Bg.gif";
	}
		
	document.getElementById("NetWorkTable" + Select_id).style.display = "";		
	document.getElementById("span" + Select_id).className = "font_14_c1";
	document.getElementById("imgL" + Select_id).src = "images/Default/NetLink_L.gif";
	document.getElementById("imgR" + Select_id).src = "images/Default/NetLink_R.gif";
	document.getElementById("bgImg" + Select_id).background = "images/Default/NetLink_Bg.gif";
	dID = Select_id;
}