function ChangeTag(tagName,Index)
{
	TagNameObj=document.getElementsByName(tagName+"Div");
	
	for (i=0;i<TagNameObj.length;i++)
	{
		if (i==Index)
		{
			TagNameObj[i].style.display="block";
		}else{
			TagNameObj[i].style.display="none";
		}
	}
	//setImg(tagName,Index);
}

//ÅÜ´«¦r¯Å¤j¤p
function changeFontSize(articleObj,act)
{
	articleObj=document.getElementById(articleObj);
	
	//alert (articleObj);
	//document.write(dump_props(articleObj.style,"article"));
	var expires=new Date();
	nowYear=expires.getYear();
	expires.setYear(nowYear+1);
	expires.setMonth(0);
	expires.setDate(0);
	expires.setHours(0);
	expires.setMinutes(0);
//	changeFontSize('article','max')
//	changeFontSize('article','idx3')
	switch (act)
	{
		case "idx1":
		case "idx2":
		case "idx3":
		case "idx4":
			articleObj.className=act;
		break;
		default:
			switch (articleObj.className)
			{
				case "idx1":
					if (act=="max")
						articleObj.className="idx2";
					else
						articleObj.className="idx1";
				break;
				case "idx2":
					if (act=="max")
						articleObj.className="idx3";
					else
						articleObj.className="idx1";
				break;
				case "idx3":
					if (act=="max")
						articleObj.className="idx4";
					else
						articleObj.className="idx2";
				break;
				case "idx4":
					if (act=="max")
						articleObj.className="idx4";
					else
						articleObj.className="idx3";
				break;
			}
		break;
	}
	for (i=1;i<5;i++)
	{
		if (act=="idx"+i)
		{
			document.getElementById("idx"+i).src="i/share/wsize0"+i+"_2.gif";
		}else{
			document.getElementById("idx"+i).src="i/share/wsize0"+i+".gif";
		}
	}
	document.cookie="articleFontSize="+articleObj.className+"#N;expires="+expires.toGMTString()+";path=/; domain=money.yam.com";
}