//** bd空格剪裁 **//
function f_trim(inputString) {
	if (typeof inputString != "string") {
		return inputString;
	}
	var retValue = inputString;
	var ch = retValue.substring(0, 1);
	while (ch == " " || ch == "\r" || ch == "\n") {
		retValue = retValue.substring(1, retValue.length);
		ch = retValue.substring(0, 1);
	}
	ch = retValue.substring(retValue.length - 1, retValue.length);
	while (ch == " " || ch == "\r" || ch == "\n") {
		retValue = retValue.substring(0, retValue.length - 1);
		ch = retValue.substring(retValue.length - 1, retValue.length);
	}
	while (retValue.indexOf("  ") != -1) {
		retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
	}
	return retValue;
}

//** iframe自动适应页面 **//
//如果用户的浏览器不支持iframe是否将iframe隐藏 yes 表示隐藏，no表示不隐藏
var iframehide = "yes";
function dyniframesize() {
	var dyniframe = new Array();
	for (var i = 0; i < iframeids.length; i++) {
		if (document.getElementById) {
   //自动调整iframe高度
			dyniframe[i] = document.getElementById(iframeids[i]);
			if (dyniframe[i]) {
				if (dyniframe[i].contentDocument && dyniframe[i].contentDocument.body.offsetHeight) { //如果用户的浏览器是NetScape
					dyniframe[i].height = dyniframe[i].contentDocument.body.offsetHeight;
				} else if (dyniframe[i].Document && dyniframe[i].Document.body.scrollHeight) {//如果用户的浏览器是IE
					dyniframe[i].height = dyniframe[i].Document.body.scrollHeight;
				}
			}
		}
  //根据设定的参数来处理不支持iframe的浏览器的显示问题
		if ((document.all || document.getElementById) && iframehide == "no") {
			var tempobj = document.all ? document.all[iframeids[i]] : document.getElementById(iframeids[i]);
			tempobj.style.display = "block";
		}
	}
}

//** 验证码校验 **//
function createXMLHttpRequestVerify() {
	if (window.ActiveXObject) {
		xmlHttpVerify = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest) {
		xmlHttpVerify = new XMLHttpRequest();                
	}
}

function verify(path){
	var code = document.getElementById("bookVerify").value;
	if("" == trim(code)){
		alert("请输入验证码");
		return;
	}else if("请输入验证码" == code){
		alert("请输入验证码");	
		return;
	}
	var url =path +"/bookVerifyCodeInHead/" + code + "?_method=ajaxVerifyCode";
	createXMLHttpRequestVerify();
	if(xmlHttpVerify){
		xmlHttpVerify.open("get",url,true);
		xmlHttpVerify.onreadystatechange = changeOption;
		xmlHttpVerify.send(null);
	}	
	
}

function changeOption(){
	if(xmlHttpVerify.readyState == 4){
		if(xmlHttpVerify.status == 200){
			var returnVale = xmlHttpVerify.responseText;
			var message = "";
			if(returnVale == 0){
				message = "验证码有效，您购买的产品为正版产品。";
			}else if(returnVale == 1){
				message = "验证码已被使用过";
			}else if(returnVale == 2){
				message = "验证码无效";
			}else if(returnValue == 3){
				message = "验证出错，请重新验证";
			}			
			alert(message);
		}else if(xmlHttpVerify.status == 204){		
		}
	}
}


function trim(value) {
	value = ltrim(value);
	value = rtrim(value);
	return value;
}

//去左空格; 
function ltrim(s){ 
	return s.replace( /^\s*/, ""); 
}

function rtrim(s){ 
	return s.replace( /\s*$/, ""); 
}