function setTc(){
	oHandle=document.getElementById("tchandle");
	oContent=document.getElementById("thirdcontent");
	oHandle.onclick=function(){
		if(oContent.style.display=="none"){
			oContent.style.display="block";
			oHandle.innerHTML=htClose1;
			oHandle.className=oHandle.className.replace(/arrow2/,"")
		}
		else{
			oContent.style.display="none";
			oHandle.innerHTML=htOpen1;
			oHandle.className+=" arrow2";
		}
	}
}

if(document.getElementById("thirdcontent")&&document.getElementById("tchandle")){
setTc();
}