function selectTagjj(showContent_c,selfObj_c){
	// ²Ù×÷±êÇ©
	var tag_c = document.getElementById("tab_2").getElementsByTagName("li");
	var tag_clength = tag_c.length;
	for(i=0; i<tag_clength; i++){
		tag_c[i].className = "tab_stylt2";
	}
	selfObj_c.parentNode.className = "tab_stylt1";
	// ²Ù×÷ÄÚÈÝ
	for(i=0; j=document.getElementById("tab_infos"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent_c).style.display = "block";		

}