//首页的内容切换使用
function setTab(name,cursel,n){
	 for(i=1;i<=n;i++){
	  var menu=document.getElementById(name+i);
	  var con=document.getElementById("con_"+name+"_"+i);
	  menu.className=i==cursel?"hover":"";
	  con.style.display=i==cursel?"block":"none";
	 }
	}

//flash播放使用
function MM_CheckFlashVersion(reqVerStr,msg){
	  with(navigator){
	    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
	    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
	    if (!isIE || !isWin){  
	      var flashVer = -1;
	      if (plugins && plugins.length > 0){
	        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
	        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
	        if (desc == "") flashVer = -1;
	        else{
	          var descArr = desc.split(" ");
	          var tempArrMajor = descArr[2].split(".");
	          var verMajor = tempArrMajor[0];
	          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
	          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
	          flashVer =  parseFloat(verMajor + "." + verMinor);
	        }
	      }
	      // WebTV has Flash Player 4 or lower -- too low for video
	      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

	      var verArr = reqVerStr.split(",");
	      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
	  
	      if (flashVer < reqVer){
	        if (confirm(msg))
	          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
	      }
	    }
	  } 
	}