// max menu length
menuLength = 3;


function hideObstruction(){
	var obj=MM_findObj("mainnavi"),sty=SetStyle(obj);
	sty.clip.height=generalh;
}
function showObstruction(){
	var obj=MM_findObj("mainnavi"),sty=SetStyle(obj);
	sty.clip.height=mainnavih;
}
function sLayer(){
	var arg=sLayer.arguments,name=arg[0].getName(),num=arg[0].getNumber();
	if(!findNN4()){clearTimeout(this["openTID_"+num]);clearTimeout(this["closeTID_"+num]);}
	this["showID_"+num] = true;
	for(var i=1;i<=menuLength;i++){
		var id=name+i,obj=MM_findObj(id)
		if(obj){
			var sty=SetStyle(obj);
			if(i==num){openTimeLag(arg[0]);}
			else{sty.visibility='hidden';}
		}
	}
}
function openTimeLag(arg){
	if(!findNN4()){var num = arg.getNumber();this["openTID_"+num] = setTimeout('clearOTInterval("'+arg+'")', 200);}
	else{var obj=MM_findObj(arg);obj.visibility='visible';var hobj=document.layers["hiddenLayer"];hobj.visibility='visible';showObstruction();}
}
function hLayer(){
	if (!findNN4()) {
		var arg=hLayer.arguments,num=arg[0].getNumber();
		this["showID_"+num] = false;
		this["closeTID_"+num] = setTimeout('clearCTInterval("'+arg[0]+'")', 300);
	}
}
function hAllLayer(name){
	for(var i=1;i<=menuLength;i++){var id=name+i,obj=MM_findObj(id),sty=SetStyle(obj);sty.visibility='hidden';}
	var hobj=document.layers["hiddenLayer"];hobj.visibility='hidden';hideObstruction();
}
function clearOTInterval(arg){
	var num=arg.getNumber();
	if(this["showID_"+num]){var obj=MM_findObj(arg),sty=SetStyle(obj);sty.visibility='visible';}
	clearTimeout(this["openTID_"+num]);
}
function clearCTInterval(arg){
	var num=arg.getNumber(); 
	if(!this["showID_"+num]){var obj=MM_findObj(arg),sty=SetStyle(obj);sty.visibility='hidden';}
	clearTimeout(this["closeTID_"+num])
}
flg=false;
function CheckImage(a0,a1,a2,a3,a4){
	if(!flg){if(a0=="over"){MM_swapImage(a1,a2,a3,a4);}else{MM_swapImgRestore();}}
}