function doSearch(){
	document.mysearchform.submit();
}
function show(){
	document.getElementById("menu").style.visibility='';
}
function hidden(){
	document.getElementById("menu").style.visibility='hidden';
}
function CKform(){ 
	if ($('email').value==""){ 
		alert("请输入EMAIL地址"); 
		$('email').focus();
	}else if(!email($('email').value)){ 
		alert("EMAIL地址输入有误"); 
		$('email').focus();
	}else{
		$('form').submit();
	}
} 
function email(e){return /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(e);}
function $(obj){return document.getElementById(obj);}