var menu4;
		var menu5;
		var menu6;
		var menu7;
		
		switch(str)
		{
			case 1:
				menu4="menu-over_04.gif";
				menu5="menu_05.gif";
				menu6="menu_06.gif";
				menu7="menu_07.gif";
				break;
			case 2:
				menu4="menu_04.gif";
				menu5="menu-over_05.gif";
				menu6="menu_06.gif";
				menu7="menu_07.gif";
				break;
			case 3:
				menu4="menu_04.gif";
				menu5="menu_05.gif";
				menu6="menu-over_06.gif";
				menu7="menu_07.gif";
				break;
			case 4:
				menu4="menu_04.gif";
				menu5="menu_05.gif";
				menu6="menu_06.gif";
				menu7="menu-over_07.gif";
				break;
			}
		
    document.write("<table width=899 border=0 cellspacing=0 cellpadding=0>");
    document.write("<tr>");
    document.write("<td width=82 valign=bottom><div align=center><a href=index.aspx onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage('Image13','','images/menu-over_03.gif',1)><img src=images/menu_03.gif name=Image13 width=44 height=15 border=0></a></div></td>");
    document.write("<td width=120 valign=bottom><div align=center class=style3><a href=calculate.aspx onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage('Image14','','images/menu-over_04.gif',1)><img src=images/" + menu4 +" name=Image14 width=129 height=15 border=0></a></div></td>");
    document.write("<td width=132 valign=bottom><div align=center class=style3><a href=finance.htm onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage('Image15','','images/menu-over_05.gif',1)><img src=images/" + menu5 +" name=Image15 width=132 height=15 border=0></a></div></td>");
    document.write("<td width=144 valign=bottom><div align=center class=style3><a href=link.htm onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage('Image16','','images/menu-over_06.gif',1)><img src=images/" + menu6 +" name=Image16 width=159 height=15 border=0></a></div></td>");
    document.write("<td width=155 valign=bottom><div align=center class=style3><a href=question.htm onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage('Image17','','images/menu-over_07.gif',1)><img src=images/" + menu7 +" name=Image17 width=146 height=15 border=0></a></div></td>");
    document.write("<td width=266 height=40 valign=bottom><div align=right><a href=http://www.sitca.org.tw target=_blank><img src=images/s_logo.jpg width=250 height=34 border=0></a></div></td>");
    document.write("</tr>");
    document.write("</table>");