function changelii(obj)
	{
		if(obj=="1")
		{
			document.getElementById("li1").style.backgroundImage="url(images/lcdtv_phpic01a.jpg)";
			document.getElementById("li2").style.backgroundImage="url(images/lcdtv_phpic01b.jpg)";
	    document.getElementById("divli1").style.display="block";
			document.getElementById("divli2").style.display="none";
		}
		else if(obj=="2")
		{
				document.getElementById("li1").style.backgroundImage="url(images/lcdtv_phpic01b.jpg)";
				document.getElementById("li2").style.backgroundImage="url(images/lcdtv_phpic01a.jpg)";
				document.getElementById("divli1").style.display="none";
				document.getElementById("divli2").style.display="block";
			}
	}
	
	
function changelii2(obj)
{
		if(obj=="3")
		{
				document.getElementById("li3").style.backgroundImage="url(images/js_bj01a.jpg)";
				document.getElementById("li4").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li5").style.backgroundImage="url(images/js_bj01b.jpg)";
			  document.getElementById("divli3").style.display="block";
				document.getElementById("divli4").style.display="none";
				document.getElementById("divli5").style.display="none";
		}
		else if(obj=="4")
		{
				document.getElementById("li3").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li4").style.backgroundImage="url(images/js_bj01a.jpg)";
				document.getElementById("li5").style.backgroundImage="url(images/js_bj01b.jpg)";
			  document.getElementById("divli4").style.display="block";
				document.getElementById("divli3").style.display="none";
				document.getElementById("divli5").style.display="none";
			}
					else if(obj=="5")
		{
				document.getElementById("li3").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li4").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li5").style.backgroundImage="url(images/js_bj01a.jpg)";
			  document.getElementById("divli5").style.display="block";
				document.getElementById("divli3").style.display="none";
				document.getElementById("divli4").style.display="none";
			}
}
	
function changelii3(obj)
{
		if(obj=="6")
		{
				document.getElementById("li6").style.backgroundImage="url(images/js_bj01a.jpg)";
				document.getElementById("li7").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li8").style.backgroundImage="url(images/js_bj01b.jpg)";
			    document.getElementById("divli6").style.display="block";
				document.getElementById("divli7").style.display="none";
				document.getElementById("divli8").style.display="none";
		}
		else if(obj=="7")
		{
				document.getElementById("li6").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li7").style.backgroundImage="url(images/js_bj01a.jpg)";
				document.getElementById("li8").style.backgroundImage="url(images/js_bj01b.jpg)";
			    document.getElementById("divli7").style.display="block";
				document.getElementById("divli6").style.display="none";
				document.getElementById("divli8").style.display="none";
			}
	 else if(obj=="8")
		{
				document.getElementById("li6").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li7").style.backgroundImage="url(images/js_bj01b.jpg)";
				document.getElementById("li8").style.backgroundImage="url(images/js_bj01a.jpg)";
			   document.getElementById("divli8").style.display="block";
				document.getElementById("divli6").style.display="none";
				document.getElementById("divli7").style.display="none";
			}
}