var maskdiv = "#bg";
var popdiv = "#selectitem";
var currentobject = null;
var currenturl = null;
var currentpara = null;

function getquerystring(name) {
     var reg = new regexp("(^|&)"+ name +"=([^&]*)(&|$)");
     var r = window.location.search.substr(1).match(reg);
     if(r!=null)return  unescape(r[2]); return null;
}

function changecenterindex(url) {
	$.ajax({
		type : "get",
		url : url,
		data : "radom=" + math.random(),
		datatype : "text",
		success : function(msg) {
			if (msg == "-999") {
				outlogin();
			} else {
				$(".mainframe-index").html(msg);
			}
		},
		error : function(xmlhttprequest, error, errorthrown) {
			alert(error);
			alert(errorthrown);
		}
	});
}

function changecentersearch(url, sonurl, classesid, currentpage, searchtext) {
	$.ajax({
		type : "get",
		url : url,
		data : "radom=" + math.random() + "&url=" + sonurl + "&classesid="
				+ classesid + "&currentpage=" + currentpage + "&searchtext="
				+ searchtext,
		datatype : "text",
		success : function(msg) {
			if (msg == "-999") {
				outlogin();
			} else {
				$(".mainframe-index").html(msg);
				$('#div_search_mask').fadeout(100);
				$('#div_search_main').slideup(200);
			}
		},
		error : function(xmlhttprequest, error, errorthrown) {
			alert(error);
			alert(errorthrown);
		}
	});
}

jquery.fn.load = function() {
	var thisclass = $(this).attr("class");
	var url = $(this).attr("url");
	var para = $(this).attr("para");
	if (para == null) {
		para = "";
	}

	$.ajax({
		type : "get",
		url : url,
		data : "radom=" + math.random() + para,
		datatype : "text",
		success : function(msg) {
			if (msg == "-999") {
				outlogin(null, url, para);
			} else {
				$("." + thisclass).html(msg);
			}
		},
		error : function(xmlhttprequest, error, errorthrown) {
			alert(error);
			alert(errorthrown);
		}
	});
};

function changesearch(url, para) {
	if (url != "") {
		$('.mainframe-search').attr("url", url);
		$('.mainframe-search').attr("para", para);
		$('.mainframe-search').load();
	}
}

function changeleft(url) {
	if (url != "") {
		$('.leftframe').attr("url", url);
		$('.leftframe').attr("para", "");
		$('.leftframe').load();
	}
}

function changecenter(url) {
	if (url != "") {
		$('.mainframe-center').attr("url", url);
		$('.mainframe-center').attr("para", "");
		$('.mainframe-center').load();
	}
}

function changecenter(url, para) {
	if (url != "") {
		$('.mainframe-center').attr("url", url);
		$('.mainframe-center').attr("para", para);
		$('.mainframe-center').load();
	}
}

function changecenteronce(url) {
	if (url != "") {
		var oldurl = $('.mainframe-center').attr("url");
		$('.mainframe-center').attr("url", url);
		$('.mainframe-center').load();
		$('.mainframe-center').attr("url", oldurl);
	}
}

/**
 * js校验值是否为空 2014-11-18 by p
 * 
 * @param value
 * @returns {boolean}
 */
function isnull(value) {
	if (value == null || value == "") {
		return true;
	}
}

/**
 * js校验值是否为正整数 2014-11-18 by p
 * 
 * @param value
 * @returns {boolean}
 */
function isunsignedinteger(value) {
	if (value == "") {
		return false;
	} else {
		var regex = /^[0-9]*$/;
		return regex.test(value);
	}
}

/**
 * js校验值是否为字母和数字 2014-11-18 by p
 * 
 * @param value
 * @returns {boolean}
 */
function ischarinteger(value) {
	if (value == "") {
		return false;
	} else {
		var regex = /^[a-za-z0-9]*$/;
		return regex.test(value);
	}
}

/**
 * js校验值是否为日期 2014-11-18 by p
 * 
 * @param value
 * @returns {boolean}
 */
function isdate(value) {
	var regex = new regexp(
			"^(?:(?:([0-9]{4}(-|\/)(?:(?:0?[1,3-9]|1[0-2])(-|\/)(?:29|30)|((?:0?[13578]|1[02])(-|\/)31)))|([0-9]{4}(-|\/)(?:0?[1-9]|1[0-2])(-|\/)(?:0?[1-9]|1\\d|2[0-8]))|(((?:(\\d\\d(?:0[48]|[2468][048]|[13579][26]))|(?:0[48]00|[2468][048]00|[13579][26]00))(-|\/)0?2(-|\/)29))))$");
	return regex.test(value);
}

function outlogin(o, url, para) {
	alert("您未登录或登录超时！！！");
	window.open("/login.html", "_self");
}

/** 遮罩层开关 * */
function popdivsmaskswitch(flag) {
	if (flag) {
		var h = $(document).height() > $(document.body).outerheight(true) ? $(
				document).height() : $(document.body).outerheight(true);
		$(maskdiv).fadein(100);
		$(maskdiv).css("height", h);
	} else {
		$(maskdiv).fadeout(100);
	}
}

/** 弹出层开关 * */
function popdivsmainswitch(flag) {
	if (flag) {
		var x = ($(maskdiv).width() - $(popdiv).width()) / 2;
		var y = $(document).scrolltop() + 100;
		$(popdiv).slidedown(200, function() {
			$('#username').focus();
		});
		$(popdiv).css("left", x);
		$(popdiv).css("top", y);
	} else {
		$(popdiv).slideup(200);
	}
}

function popdivsopen(url, para) {
	popdivsmaskswitch(true);
	popdivsmainswitch(true);
	$('#kaptchaimage').click();
	$('#username').val("");
	$('#userpassword').val("");
	$('#codes').val("");
}

function popdivsclose() {
	popdivsmaskswitch(false);
	popdivsmainswitch(false);
}