function buttonDisplay(obj){
	var A=document.getElementById("buttonA");
	var B=document.getElementById("buttonB");
	var C=document.getElementById("xinpin");
	var D=document.getElementById("zhekou");
	if(obj=="ok"){
		A.className="buttonA";
		B.className="buttonB";
		C.className="zhuanquBody";
		D.className="zhuanquBody2";
	}else{
		A.className="buttonC";
		B.className="buttonD";
		C.className="zhuanquBody2";
		D.className="zhuanquBody";
	}
}
function buttonDisplay1(obj){
	var A=document.getElementById("buttonZhongzi");
	if(obj=="ok"){
		A.className="childDivB";
	}else{
		A.className="childDiv";
	}
}
function buttonDisplay2(obj){
	var A=document.getElementById("buttonZhongmiao");
	if(obj=="ok"){
		A.className="childDiv2B";
	}else{
		A.className="childDiv2";
	}
}
function buttonDisplay3(obj){
	var A=document.getElementById("buttonNongji");
	if(obj=="ok"){
		A.className="childDiv3B";
	}else{
		A.className="childDiv3";
	}
}
function buttonDisplay4(obj){
	var A=document.getElementById("buttonShukan");
	if(obj=="ok"){
		A.className="childDiv4B";
	}else{
		A.className="childDiv4";
	}
}