function showbg3(num)
		  {
				var trArr=new Array('bg1','bg2');
				var divArr=new Array('con_tab_0','con_tab_1');
				for(i=0;i<2;i++)
				{
					if(i==num)
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu09.gif)';");
						eval("document.getElementById(divArr[i]).style.display='block';");
						eval("document.getElementById(trArr[i]).className='on';");
					}
					else
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu9.gif)';");
						eval("document.getElementById(divArr[i]).style.display='none'");
						eval("document.getElementById(trArr[i]).className='li';");
					}
				}
		  }

		  function showbg4(num)
		  {
				var trArr=new Array('ba1','ba2','ba3');
				var divArr=new Array('con_ta_0','con_ta_1','con_ta_2');
				for(i=0;i<3;i++)
				{
					if(i==num)
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu08.gif)';");
						eval("document.getElementById(divArr[i]).style.display='block';");
						eval("document.getElementById(trArr[i]).className='on';");
					}
					else
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu8.gif)';");
						eval("document.getElementById(divArr[i]).style.display='none'");
						eval("document.getElementById(trArr[i]).className='li';");
					}
				}
		  }


		  function showbg1(num)
		  {
				var trArr=new Array('b1','b2','b3');
				var divArr=new Array('con_tb_0','con_tb_1','con_tb_2');
				for(i=0;i<3;i++)
				{
					if(i==num)
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu08.gif)';");
						eval("document.getElementById(divArr[i]).style.display='block';");
						eval("document.getElementById(trArr[i]).className='on';");
					}
					else
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu8.gif)';");
						eval("document.getElementById(divArr[i]).style.display='none'");
						eval("document.getElementById(trArr[i]).className='li';");
					}
				}
		  }
		  
		  function showbg2(num)
		  {
				var trArr=new Array('c1','c2','c3','c4');
				var divArr=new Array('con_tc_0','con_tc_1','con_tc_2','con_tc_3');
				for(i=0;i<4;i++)
				{
					if(i==num)
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu08.gif)';");
						eval("document.getElementById(divArr[i]).style.display='block';");
						eval("document.getElementById(trArr[i]).className='on';");
					}
					else
					{
						eval("document.getElementById(trArr[i]).style.backgroundImage='url(images/home/bg_menu8.gif)';");
						eval("document.getElementById(divArr[i]).style.display='none'");
						eval("document.getElementById(trArr[i]).className='li';");
					}
				}
		  }