function myAnswer() {
   	document.getElementById("question").style.display="none";
	document.getElementById("myAnswer").style.display="block";
	document.getElementById("que").className="tab";
	document.getElementById("mAn").className="current";
	
}

function question() {
   	document.getElementById("question").style.display="block";
	document.getElementById("myAnswer").style.display="none";
	document.getElementById("que").className="current";
	document.getElementById("mAn").className="tab";
}




function yqljxs(id){
	var syxstr;
	var bgstr;
	for(i=1;i<5;i++){
		syxstr = "gxsl"+i;
		bgstr = "hy"+i;
		if(i == id){
			document.getElementById(syxstr).style.display="block";
			document.getElementById(bgstr).className="liyq1";
		}else{
			document.getElementById(syxstr).style.display="none";
			document.getElementById(bgstr).className="liyq2";
		}
	}
}