function ThinkOver(thisObj,Num)
{if(thisObj.className=="active")
return;
var tabObj=thisObj.parentNode.id;
var tabList=document.getElementById(tabObj).getElementsByTagName("li");
for(i=0;i<tabList.length;i++)
{if (i==Num){thisObj.className="active";document.getElementById(tabObj+"C"+i).style.display="block"}
else{tabList[i].className="normal";document.getElementById(tabObj+"C"+i).style.display="none"}}};