function Show_RecentMenuFor(Recent_4num,Recentnum,Count,Rear,Reerto){
	

	switch(Recentnum){
		case 0:
		document.getElementById("changeUrl").href=document.getElementById("a0").href;
		document.getElementById("Recentcontent_40").style.display="block";
		document.getElementById("Recentcontent_41").style.display="none";
		document.getElementById("Recentcontent_42").style.display="none";
		document.getElementById("Recentcontent_43").style.display="none";		
		document.getElementById("Recentmenu_40").className=Rear;		
		document.getElementById("Recentmenu_40").className=Reerto;
		break;
		case 1:
		document.getElementById("changeUrl").href=document.getElementById("a1").href;
		document.getElementById("Recentcontent_40").style.display="none";
		document.getElementById("Recentcontent_41").style.display="block";
		document.getElementById("Recentcontent_42").style.display="none";
		document.getElementById("Recentcontent_43").style.display="none";
		
		document.getElementById("Recentmenu_40").className=Rear;
		document.getElementById("Recentmenu_40").className=Reerto;
		break;
		case 2:
		document.getElementById("changeUrl").href=document.getElementById("a2").href;
		document.getElementById("Recentcontent_40").style.display="none";
		document.getElementById("Recentcontent_41").style.display="none";
		document.getElementById("Recentcontent_42").style.display="block";
		document.getElementById("Recentcontent_43").style.display="none";
		
		document.getElementById("Recentmenu_40").className=Rear;
		document.getElementById("Recentmenu_40").className=Reerto;
		break;
		case 3:
		document.getElementById("changeUrl").href=document.getElementById("a3").href;
		document.getElementById("Recentcontent_40").style.display="none";
		document.getElementById("Recentcontent_41").style.display="none";
		document.getElementById("Recentcontent_42").style.display="none";
		document.getElementById("Recentcontent_43").style.display="block";
		
		document.getElementById("Recentmenu_43").className=Rear;
		document.getElementById("Recentmenu_43").className=Reerto;
		break;
		default :
		alert("a");
	}
	
}