/* swithbar code */

function expandFrame(){
	var topFrame = parent.document.getElementById("FrameSet");
	var curntFrame = document.getElementById("switchBar");
	var crtStu = document.getElementById("crtStu");
	if (crtStu.display == "block"){
		topFrame.cols="136,23,*";
		crtStu.display="none";
		curntFrame.innerHTML='<img src="lead/13x79.gif" alt="社区栏目导航" border="0">';
	}
	else if(crtStu.display="none"){
		topFrame.cols="0,23,*";
		crtStu.display="block";
		curntFrame.innerHTML='<img src="lead/13x79_2.gif" alt="社区栏目导航" border="0">';
	}
}