/**
 * Read the JavaScript cookies tutorial at:
 *   http://www.netspade.com/articles/javascript/cookies.xml
 */

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function setCookieForOnMonth(name, value) {
      var futdate = new Date();		//Get the current time and date
      var expdate = futdate.getTime();  //Get the milliseconds since Jan 1, 1970
      expdate += 1000*60*24*30;  //expires in 1 month
      futdate.setTime(expdate);
      setCookie(name, value, futdate, null, null, null);    
}
function setCookieForOnYear(name, value) {
      var futdate = new Date();		//Get the current time and date
      var expdate = futdate.getTime();  //Get the milliseconds since Jan 1, 1970
      expdate += 1000*60*24*30*12; //expires in 1 month
      futdate.setTime(expdate);
      setCookie(name, value, futdate, null, null, null);    
}
/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

/**********************************************************************************
*	管理某个页面的需要保存到cookie中的控件的值，一般是查询条件
***********************************************************************************/
_CookiePageControls = new Array();	//需要保存的控件名的数组，必须是字符串的数组形式

//加载，可能失败，错误将略过；此方法一般在loadData()中第一句调用
function loadCookieForInputs(){
	try{
		var inputName = "";
		for(var i=0;i<_CookiePageControls.length;i++){
			inputName = _CookiePageControls[i];
			dwr.util.setValue(inputName,getCurPageCookie(inputName));
		}
	}catch(e){}
}
//保存，可能失败，错误将略过；此方法一般在searchBtnClick()中最后一句调用
function saveCookieForInputs(){
	try{
		var inputName = "";
		for(var i=0;i<_CookiePageControls.length;i++){
			inputName = _CookiePageControls[i];
			setCurPageCookie(inputName,dwr.util.getValue(inputName));
		}
	}catch(e){}
}

//从cookie来初始化界面
function initPageFromCookie(){
	//加载默认查询条件
	loadCookieForInputs(); 
	//加载右边屏蔽情况
	try{
		var hideHandleImg = document['HideHandle'];
		if(typeof hideHandleImg == "object"){
			var subIFrameDisplay = getCurPageCookie("subIFrameDisplay");
			if(typeof subIFrameDisplay == "string" && subIFrameDisplay =="none"){
				var imgEvent = hideHandleImg.onclick;
				imgEvent.call();
			}
		}
	}catch(e){}
}

/** **********************************************************************************
*	设置和获取本页的某个属性的cookie
* 	Cohy on 2007-06-07
** *********************************************************************************/
function setCurPageCookie(name, value){
	setCookieForOnMonth(getCurPageName(name),value);
}

function getCurPageCookie(name){
	return getCookie(getCurPageName(name));
}

function getCurPageName(name){
	return window.location.pathname + "_" + name;
}