//ÏÔʾ¹ã¸æ
function ShowAd(_item){
	switch(_item){
	 	case 'index':
			document.write ("<embed src=\"images/banner2.swf\" quality=\"high\" pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"521\" height=\"134\" wmode=\"opaque\"></embed>");
			break;
	}
}

function showMenu(id){
	    item_name="sub_menu_"+id;
		item_show=document.getElementById(item_name).style.display;
		if(item_show=='block'){
			    document.getElementById(item_name).style.display='none';
			}else{
				document.getElementById(item_name).style.display='block';
				}
	}

function showNav(id){
		item_name="nav_"+id;
		document.getElementById(item_name).style.display='block';
}
function hideNav(id){
		item_name="nav_"+id;
		document.getElementById(item_name).style.display='none';
}

function changeInfo(id,className,co)
{
	for(i=1;i<=co;i++)
	{
		item_name=className+"_"+i;
		menu_id=className+i;
	    if(id==i)
		{
			document.getElementById(item_name).style.display='block';
			document.getElementById(menu_id).className=className+'_yes';
		}
		else
		{
			document.getElementById(item_name).style.display='none';
			document.getElementById(menu_id).className=className+'_no';
		}
		
	}
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function MM_preloadimages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadimages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}