function show(path, obj){
var imgFlag=0;
var img=new Array();
img[0]=path+"images/2.gif";
img[1]=path+"images/1.gif";
img[2]=path+"images/3.gif";
img[3]=path+"images/4.gif";
if(obj=="dvdTool"){
imgFlag=1;
document.getElementById("listDvdTool").style.display="block";
document.getElementById("listMacProduct").style.display="none";
}else if(obj=="macProduct"){
imgFlag=2;
document.getElementById("listDvdTool").style.display="none";
document.getElementById("listMacProduct").style.display="block";
}
if(imgFlag==1){
document.getElementById("dvdToolImage").src=img[0];
document.getElementById("macProductImage").src=img[2];
}else if(imgFlag==2){
document.getElementById("dvdToolImage").src=img[1];
document.getElementById("macProductImage").src=img[3];
}else{
document.getElementById("dvdToolImage").src=img[0];
document.getElementById("macProductImage").src=img[2];
}
}


function switchTag(tag,content)
{
//       alert(tag);
//       alert(content);
       for(i=1; i <6; i++)
       {
              if ("tag"+i==tag)
              {
                     document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
                     document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
              }else{
                     document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
                     document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
              }
              if ("content"+i==content)
              {
                     document.getElementById(content).className="";
              }else{
                     document.getElementById("content"+i).className="hidecontent";
              }
              document.getElementById("content").className=content;
       }
}