function $(id){
	return document.getElementById(id);
}
function showMenu(baseID,divID){
	showMenucur(baseID);
	baseID=$(baseID);
	divID=$(divID);
	if(showMenu.timer)
		clearTimeout(showMenu.timer);
	hideCur();
	divID.style.display='block';
	showMenu.cur=divID;
	if(!divID.isCreate){
		divID.isCreate=true;
		divID.onmouseover=function(){
			if(showMenu.timer)
				clearTimeout(showMenu.timer);
			hideCur();
			divID.style.display='block';
		};
		function hide(){
			showMenu.timer=setTimeout(function(){MM_swapImgRestore();divID.style.display='none';},1000);
		}
		divID.onmouseout=hide;
		baseID.onmouseout=hide;
	}
	function hideCur(){
		showMenu.cur&&(showMenu.cur.style.display='none')&&MM_swapImgRestore;
		baseID.onmouseout=hide;
	}
}
function showMenucur(baseID){
	for(i=1;i<=5;i++){
		if($(baseID)!=eval("Image"+i)){
			$("Image"+i).src="images/nav_"+i+".jpg";
		}
	}
}