// JavaScript Document
function BigsortForIndex(td){
	var cls_name=td.className;
	if(cls_name=="sortlink1"){
		td.className="sortlink2";
	}
	if(cls_name=="sortlink2"){
		td.className="sortlink1";
	}
	
}
function BigsortForLeft(td){
	var cls_name=td.className;
	if(cls_name=="sortlink3"){
		td.className="sortlink4";
	}
	if(cls_name=="sortlink4"){
		td.className="sortlink3";
	}
	
}
function subForm(){
	if(document.all.names.value == ""){
	window.alert("请填写姓名！");
	return false;
	}
	if(document.all.tel.value==""){
	window.alert("请填写联系电话");
	return false;
	}
	if(document.all.email.value==""){
		window.alert("请填写电子邮件！");
		return false;
	}
	if(document.all.content.value==""){
		window.alert("请填写留言内容！");
		return false;
	}
	
	return true;
}
function showDiv(id){
	divid="div"+id;
	document.getElementById(divid).style.display="";
	
}
function HiddenDiv(id){
	divid="div"+id;
	document.getElementById(divid).style.display="none";
	
}
function ShowMenu(id){
	var divId="div"+id;
	document.getElementById(divId).style.display="";
	for(i=1;i<9;i++){
		divIds="div"+i;
		if(divIds!=divId){
	document.getElementById(divIds).style.display="none";
		}
	}

}