//<!---------------------------------------------------- Ê×Ò³µ¼º½Ìõ>
var deID = ""
function changNavDEF(Select_id)
{		
	if (deID != "")
	{
		document.getElementById("NavSN" + deID).style.display = "none";			
		document.getElementById("span" + deID).className="gz_nav2";
		document.getElementById("imgL" + deID).src = "Images/Nav/Nav_top_bg.gif";
		document.getElementById("imgR" + deID).src = "Images/Nav/Nav_top_bg.gif";
		document.getElementById("bgImg" + deID).background = "Images/Nav/Nav_top_bg.gif";
	}
		
	document.getElementById("NavSN" + Select_id).style.display = "";	
	document.getElementById("span" + Select_id).className = "tz_nav";
	document.getElementById("imgL" + Select_id).src = "Images/Nav/Nav_t_l.gif";
	document.getElementById("imgR" + Select_id).src = "Images/Nav/Nav_t_r.gif";
	document.getElementById("bgImg" + Select_id).background = "Images/Nav/Nav_t_bg.gif";
	
	document.getElementById("NavSN0").style.display = "none";
	
	deID = Select_id;
}