//订阅
	function bookcancel(opr,webid){
		if(webid == "" || webid ==0){
			var webidvalue=document.getElementById('webid').value;
			if(webidvalue==""){
				alert("请选择你所要订阅的网站");
				$("webid").focus();
				return false;
			}
		}
		
		var keywordvalue=document.getElementById('keyword').value;
		if(keywordvalue==""){
			alert("关键词不能为空");
			$("keyword").focus();
			return false;
		}
		var keyemailvalue=document.getElementById('keyemail').value;
		if(keyemailvalue==''){
			alert('邮件地址不能为空!');
			$('keyemail').focus();
			return false;
		}
		if(!checkMail(keyemailvalue)){
			alert("非法的邮箱地址!");
			$('keyemail').focus();
			return false;
		}
		//全部通过验证,提交到后台执行
		var jsOpr=opr;
		if(jsOpr=='book'){
			$('bookstate').value='0';
			document.frmMailBook.action="../app/client/opr_mailbook.jsp";
		}else if(jsOpr=='cancel'){
			$('bookstate').value='-1';
			document.frmMailBook.action="../app/client/opr_mailbook.jsp";		
		}else{
			alert('非法的操作!');
			return false;
		}
		document.frmMailBook.submit();
	}
	
	    //检验EMAIL是否合法 
	function checkMail(s) 
	{ 
		var pattern=/\w+@\w+\.[a-z]+/; 
		if(pattern.test(s)) 
		{ 
			return true; 
		} 
		else 
		{ 
			return false; 
		} 
	}   
	
	function showResponse(originalRequest)
    {
    	var doc=originalRequest.responseText;
    	doc=doc.replace(/^\s*/,'');
    	alert(doc);
    }