// javascript document
function $d(doc){return document.getelementbyid(doc);}
string.prototype.trim = function()
{
    // 用正则表达式将前后空格
    // 用空字符串替代。
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
function correctpng()
{
	for(var i=0; i<document.images.length; i++)
	{
		var img = document.images[i]
		var imgname = img.src.touppercase()
		if (imgname.substring(imgname.length-3, imgname.length) == "png")
		{
			var imgid = (img.id) ? "id='" + img.id + "' " : ""
			var imgclass = (img.classname) ? "class='" + img.classname + "' " : ""
			var imgtitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			var imgstyle = "display:inline-block;" + img.style.csstext
			if (img.align == "left") imgstyle = "float:left;" + imgstyle
			if (img.align == "right") imgstyle = "float:right;" + imgstyle
			if (img.parentelement.href) imgstyle = "cursor:hand;" + imgstyle 
			var strnewhtml = "<span " + imgid + imgclass + imgtitle
			+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgstyle + ";"
			+ "filter:progid:dximagetransform.microsoft.alphaimageloader"
			+ "(src=\'" + img.src + "\', sizingmethod='scale');\"></span>"
			img.outerhtml = strnewhtml
			i = i-1
		}
	}
}
function alphabackgrounds(){
	var rslt = navigator.appversion.match(/msie (d+.d+)/, '');
	var itsallgood = (rslt != null && number(rslt[1]) >= 5.5);
	for (i=0; i<document.all.length; i++){
	var bg = document.all[i].currentstyle.backgroundimage;
		if (bg){
			if (bg.match(/.png/i) != null){
				var mypng = bg.substring(5,bg.length-2);
				//alert(mypng);
				document.all[i].style.filter = "progid:dximagetransform.microsoft.alphaimageloader(src='"+mypng+"', sizingmethod='crop')";
				document.all[i].style.backgroundimage = "url('')";
				//alert(document.all[i].style.filter);
			} 
		}
	}
}

if (navigator.platform == "win32" && navigator.appname == "microsoft internet explorer" && window.attachevent && navigator.appversion.indexof("msie 6")!=-1) {
	window.attachevent("onload", correctpng);
	window.attachevent("onload", alphabackgrounds);
}

var where = new array(35); 
function comefrom(loca,locacity) { this.loca = loca; this.locacity = locacity; } 
where[0]= new comefrom("","");
where[1] = new comefrom("北京","|东城|西城|崇文|宣武|朝阳|丰台|石景山|海淀|门头沟|房山|通州|顺义|昌平|大兴|平谷|怀柔|密云|延庆"); 
where[2] = new comefrom("上海","|黄浦|卢湾|徐汇|长宁|静安|普陀|闸北|虹口|杨浦|闵行|宝山|嘉定|浦东|金山|松江|青浦|南汇|奉贤|崇明"); 
where[3] = new comefrom("天津","|和平|东丽|河东|西青|河西|津南|南开|北辰|河北|武清|红挢|塘沽|汉沽|大港|宁河|静海|宝坻|蓟县"); 
where[4] = new comefrom("重庆","|万州|涪陵|渝中|大渡口|江北|沙坪坝|九龙坡|南岸|北碚|万盛|双挢|渝北|巴南|黔江|长寿|綦江|潼南|铜梁|大足|荣昌|壁山|梁平|城口|丰都|垫江|武隆|忠县|开县|云阳|奉节|巫山|巫溪|石柱|秀山|酉阳|彭水|江津|合川|永川|南川"); 
where[5] = new comefrom("河北","|石家庄|邯郸|邢台|保定|张家口|承德|廊坊|唐山|秦皇岛|沧州|衡水"); 
where[6] = new comefrom("山西","|太原|大同|阳泉|长治|晋城|朔州|吕梁|忻州|晋中|临汾|运城"); 
where[7] = new comefrom("内蒙古","|呼和浩特|包头|乌海|赤峰|呼伦贝尔盟|阿拉善盟|哲里木盟|兴安盟|乌兰察布盟|锡林郭勒盟|巴彦淖尔盟|伊克昭盟"); 
where[8] = new comefrom("辽宁","|沈阳|大连|鞍山|抚顺|本溪|丹东|锦州|营口|阜新|辽阳|盘锦|铁岭|朝阳|葫芦岛"); 
where[9] = new comefrom("吉林","|长春|吉林|四平|辽源|通化|白山|松原|白城|延边"); 
where[10] = new comefrom("黑龙江","|哈尔滨|齐齐哈尔|牡丹江|佳木斯|大庆|绥化|鹤岗|鸡西|黑河|双鸭山|伊春|七台河|大兴安岭"); 
where[11] = new comefrom("江苏","|南京|镇江|苏州|南通|扬州|盐城|徐州|连云港|常州|无锡|宿迁|泰州|淮安"); 
where[12] = new comefrom("浙江","|杭州|宁波|温州|嘉兴|湖州|绍兴|金华|衢州|舟山|台州|丽水"); 
where[13] = new comefrom("安徽","|合肥|芜湖|蚌埠|马鞍山|淮北|铜陵|安庆|黄山|滁州|宿州|池州|淮南|巢湖|阜阳|六安|宣城|亳州"); 
where[14] = new comefrom("福建","|福州|厦门|莆田|三明|泉州|漳州|南平|龙岩|宁德"); 
where[15] = new comefrom("江西","|南昌市|景德镇|九江|鹰潭|萍乡|新馀|赣州|吉安|宜春|抚州|上饶"); 
where[16] = new comefrom("山东","|济南|青岛|淄博|枣庄|东营|烟台|潍坊|济宁|泰安|威海|日照|莱芜|临沂|德州|聊城|滨州|菏泽"); 
where[17] = new comefrom("河南","|郑州|开封|洛阳|平顶山|安阳|鹤壁|新乡|焦作|濮阳|许昌|漯河|三门峡|南阳|商丘|信阳|周口|驻马店|济源"); 
where[18] = new comefrom("湖北","|武汉|宜昌|荆州|襄樊|黄石|荆门|黄冈|十堰|恩施|潜江|天门|仙桃|随州|咸宁|孝感|鄂州");
where[19] = new comefrom("湖南","|长沙|常德|株洲|湘潭|衡阳|岳阳|邵阳|益阳|娄底|怀化|郴州|永州|湘西|张家界"); 
where[20] = new comefrom("广东","|广州|深圳|珠海|汕头|东莞|中山|佛山|韶关|江门|湛江|茂名|肇庆|惠州|梅州|汕尾|河源|阳江|清远|潮州|揭阳|云浮"); 
where[21] = new comefrom("广西","|南宁|柳州|桂林|梧州|北海|防城港|钦州|贵港|玉林|南宁地区|柳州地区|贺州|百色|河池"); 
where[22] = new comefrom("海南","|海口|三亚"); 
where[23] = new comefrom("四川","|成都|绵阳|德阳|自贡|攀枝花|广元|内江|乐山|南充|宜宾|广安|达川|雅安|眉山|甘孜|凉山|泸州"); 
where[24] = new comefrom("贵州","|贵阳|六盘水|遵义|安顺|铜仁|黔西南|毕节|黔东南|黔南"); 
where[25] = new comefrom("云南","|昆明|大理|曲靖|玉溪|昭通|楚雄|红河|文山|思茅|西双版纳|保山|德宏|丽江|怒江|迪庆|临沧");
where[26] = new comefrom("西藏","|拉萨|日喀则|山南|林芝|昌都|阿里|那曲"); 
where[27] = new comefrom("陕西","|西安|宝鸡|咸阳|铜川|渭南|延安|榆林|汉中|安康|商洛"); 
where[28] = new comefrom("甘肃","|兰州|嘉峪关|金昌|白银|天水|酒泉|张掖|武威|定西|陇南|平凉|庆阳|临夏|甘南"); 
where[29] = new comefrom("宁夏","|银川|石嘴山|吴忠|固原"); 
where[30] = new comefrom("青海","|西宁|海东|海南|海北|黄南|玉树|果洛|海西"); 
where[31] = new comefrom("新疆","|乌鲁木齐|石河子|克拉玛依|伊犁|巴音郭勒|昌吉|克孜勒苏柯尔克孜|博尔塔拉|吐鲁番|哈密|喀什|和田|阿克苏"); 
where[32] = new comefrom("香港","|香港岛|九龙|新界"); 
where[33] = new comefrom("澳门","|澳门半岛|离岛"); 
where[34] = new comefrom("台湾","|台北|高雄|台中|台南|屏东|南投|云林|新竹|彰化|苗栗|嘉义|花莲|桃园|宜兰|基隆|台东|金门|马祖|澎湖"); 
where[35] = new comefrom("海外","|北美洲|南美洲|亚洲|非洲|欧洲|大洋洲"); 
function select_province(province,city){
	with($d(province)){ 
		var loca2 = options[selectedindex].value; 
	}
	for(i = 0;i < where.length;i ++){
		if (where[i].loca == loca2){
			loca3 = (where[i].locacity).split("|");
			for(j = 0;j < loca3.length;j++){ 
				with($d(city)){ 
					length = loca3.length; 
					options[j].text = loca3[j]; 
					options[j].value = loca3[j]; 
					var loca4=options[selectedindex].value;
				}
			}
			break;
		}
	}
}
function init_city(province,city){
	with($d(province)){
		length = where.length;
		for(k=0;k<where.length;k++){ 
			options[k].text = where[k].loca; 
			options[k].value = where[k].loca; 
		}
		options[selectedindex].text = where[0].loca; 
		options[selectedindex].value = where[0].loca;
	}
	with($d(city)){
		loca3 = (where[0].locacity).split("|");
		length = loca3.length;
		for(l=0;l<length;l++){ 
			options[l].text = loca3[l]; 
			options[l].value = loca3[l]; 
		}
		options[selectedindex].text = loca3[0]; 
		options[selectedindex].value = loca3[0];
	}
}


function checkoptionselected(selectinput,defaultval)
{
   var c=document.getelementbyid(selectinput);
   var e=c.getelementsbytagname("option");
   for(var i=0;i<e.length;i++)
   {
      if(e[i].value.trim()==defaultval.trim())
	  {
	    e[i].selected=true;
		break;
	  }
   }
}
function checkselect(gettp,theselect,thevalue)
{
	var c;
	if(gettp=='id'){
		c=document.getelementbyid(theselect);
	}else if(gettp=='all'){
		c=document.all[theselect];
	}
    var e=c.getelementsbytagname("option");
    for(var i=0;i<e.length;i++){
        if(e[i].value.trim()==thevalue.trim()){
			e[i].selected=true;
			break;
	    }
    }
}

function selcheck(id) {
   var e =document.getelementbyid(id);
   var objs = e.getelementsbytagname("input");
   if (e.checked){
      e.checked = false;
      for(var i=0; i<objs.length; i++) {
         if(objs[i].type.tolowercase() == "checkbox" )
         objs[i].checked = false;
      }
   }   else   {
      e.checked = true;
      for(var i=0; i<objs.length; i++) {
         if(objs[i].type.tolowercase() == "checkbox" )
         objs[i].checked = true;
      }
   }
}


function checkgroupselect(theselect,thearrvalue)
{
	arrv=thearrvalue.split(",");
	var t=document.getelementbyid(theselect);
    var e=t.getelementsbytagname("select");
    for(var i=0;i<e.length;i++){
		var o=e[i].getelementsbytagname("option");
		for(var k=0;k<o.length;k++){
			if(o[k].value.trim()==arrv[i].trim()){
				o[k].selected=true;
			}
		}
    }
}
function checkchecked(thecheck,thevalue){
    var e=document.getelementsbyname(thecheck)
    for(var i=0;i<e.length;i++){
		if(thevalue.indexof(e[i].value)!=-1){
			e[i].checked=true;
	    }
    }
}


//验证函数-start
function checkmail(s){
	var myreg = /^([a-za-z0-9]+[\-|\_|\.]?)*[a-za-z0-9]+@([a-za-z0-9]+[_|\_|\.]?)*[a-za-z0-9]+\.[a-za-z]{2,4}$/;
	if(s==""){
		return false; 
	}
	else{
		if(!myreg.test(s)){
			return false;
		}
		else{
			return true; 
		}
	}
}

function chkspc(a){
	var i=a.length;
	var j = 0;
	var k = 0;
	while (k<i){
		if (a.charat(k) != " ")
		j = j+1;
		k = k+1;
	}
	if (j==0){
		return 0;
	}
	if (i!=j){ 
		return 2; 
	}
	else{
		return 1;
	}
}

function fucchecklength(strtemp){
	var i,sum;
	sum=0;
	for(i=0;i<strtemp.length;i++){
		if ((strtemp.charcodeat(i)>=0) && (strtemp.charcodeat(i)<=255))
			sum=sum+1;
		else
			sum=sum+2;
	}
	return sum;
}

function fucchecknumber(numb){
	var i,j,strtemp;
	strtemp="0123456789. ";
	for (i=0;i<numb.length;i++){
		j=strtemp.indexof(numb.charat(i));	
		if (j==-1){
			//说明有字符不合法
			return 0;
		}
	}
	//说明合法
	return 1;
}
 
function fucchecknum(num){
	var i,j,strtemp;
	strtemp="0123456789";
	if ( num.length== 0) return 0;
	for (i=0;i<num.length;i++){
		j=strtemp.indexof(num.charat(i));	
		if (j==-1){
			//说明有字符不是数字
			return 0;
		}
	}
	//说明是数字
	return 1;
}

 
function fucchecktel(tel){
	var i,j,strtemp;
	strtemp="0123456789-()# ";
	for (i=0;i<tel.length;i++){
		j=strtemp.indexof(tel.charat(i));	
		if (j==-1){
			//说明有字符不合法
			return 0;
		}
	}
	//说明合法
	return 1;
}


function chkchrnum(str){	
	var strsource ="0123456789abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz";
	var ch;
	var i;
	var temp;
	for(i=0;i<=(str.length-1);i++){
		ch = str.charat(i);
		temp = strsource.indexof(ch);
		if (temp==-1){
			return 0;
		}
	}
	if(strsource.indexof(ch)==-1){
		return 0;
	}
	else{
		return 1;
	}
}

function chkitem(str){	
	var strsource ="0123456789abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz@.-_";
	var ch;
	var i;
	var temp;
	for(i=0;i<=(str.length-1);i++){
		ch = str.charat(i);
		temp = strsource.indexof(ch);
		if (temp==-1){
			return 0;
		}
	}
	if(strsource.indexof(ch)==-1){
		return 0;
	}
	else{
		return 1;
	}
}

function checkmobile( s ){ 
	var regu =/^[1][3|4|5|8][0-9]{9}$/; 
	var re = new regexp(regu); 
	if (re.test(s)){ 
		return true; 
	}
	else{ 
		return false; 
	} 
} 

//图片按比例缩放 
var flag=false; 
function drawimage(imgd,imgw,imgh){ 
	var image=new image(); 
	var iwidth = imgw;  //定义允许图片宽度 
	var iheight = imgh;  //定义允许图片高度 
	image.src=imgd.src; 
	if(image.width>0 && image.height>0){ 
		flag=true; 
		if(image.width/image.height>= iwidth/iheight){ 
			if(image.width>iwidth){   
				imgd.width=iwidth; 
				imgd.height=(image.height*iwidth)/image.width; 
			}else{ 
				imgd.width=image.width;   
				imgd.height=image.height; 
			} 
		} 
		else{ 
			if(image.height>iheight){   
				imgd.height=iheight; 
				imgd.width=(image.width*iheight)/image.height;   
			}else{ 
				imgd.width=image.width;   
				imgd.height=image.height; 
			} 
		} 
	} 
}

var ajax;
function createajax()  //建立ajax对象
{    
	ajax=false;
	try{      
		ajax = new activexobject("msxml2.xmlhttp");
	} 
	catch (e){
		try{
			ajax = new activexobject("microsoft.xmlhttp");
		}
		catch(e){
			ajax = false;
		}
	}
	if(!ajax && typeof xmlhttprequest!='undefined'){
		ajax = new xmlhttprequest();
	}
}

function openwindow(url,name,iwidth,iheight)
{
	var url; //转向网页的地址;
	var name; //网页名称，可为空;
	var iwidth; //弹出窗口的宽度;
	var iheight; //弹出窗口的高度;
	var itop = (window.screen.availheight-30-iheight)/2; //获得窗口的垂直位置;
	var ileft = (window.screen.availwidth-10-iwidth)/2; //获得窗口的水平位置;
	window.open(url,name,'height='+iheight+',,innerheight='+iheight+',width='+iwidth+',innerwidth='+iwidth+',top='+itop+',left='+ileft+',toolbar=no,menubar=no,scrollbars=auto,resizeable=no,location=no,status=no');
}


var errimg="<img src='image/error_t.gif' align='absmiddle' > ";
var rightimg="<img src='image/right_t.gif' align='absmiddle' > ";
function checkreg(f){
	if(f.username.value==""){
		f.username.focus();
		$d("s1").innerhtml="<font color=red>"+errimg+" 请输入您常用的电子邮箱地址。</font>";
		return false;
	}else{
		if(checkmail(f.username.value)==false){
			f.username.focus();
			$d("s1").innerhtml="<font color=red>"+errimg+" email格式不正确，请重新输入。</font>";
			return false;
		}else{
			$d("s1").innerhtml="";
		}
	}
	if(f.password.value==""){
		f.password.focus();
		$d("s2").innerhtml="<font color=red>"+errimg+" 对不起，登录密码不能为空。</font>";
		return false;
	}else{
		$d("s2").innerhtml="";
	}
	if(f.password2.value==""){
		f.password2.focus();
		$d("s3").innerhtml="<font color=red>"+errimg+" 对不起，请输入确认密码。</font>";
		return false;
	}else{
		$d("s3").innerhtml="";
	}
	if(f.password2.value!=f.password.value){
		f.password2.focus();
		$d("s3").innerhtml="<font color=red>"+errimg+" 对不起，两次密码输入不一致，请重新输入。</font>";
		return false;
	}else{
		$d("s3").innerhtml="";
	}
	if(f.nickname.value==""){
		f.nickname.focus();
		$d("s5").innerhtml="<font color=red>"+errimg+" 对不起，请输入昵称。</font>";
		return false;
	}else{
		$d("s5").innerhtml="";
	}
	if(f.birthday.value==""){
		f.birthday.focus();
		$d("s7").innerhtml="<font color=red>"+errimg+" 对不起，请输入生日。</font>";
		return false;
	}else{
		$d("s7").innerhtml="";
	}
	if(f.checkcode.value==""){
		f.checkcode.focus();
		$d("s11").innerhtml="<font color=red>"+errimg+" 对不起，请输入验证码。</font>";
		return false;
	}else{
		$d("s11").innerhtml="";
	}
}
function checkusername(v){
	if(v.trim!=""){
		createajax();
		ajax.open("get","checkusername.asp?u="+v+"&rnd="+math.random(),true);
		ajax.onreadystatechange = function(){
			if(ajax.readystate==4&&ajax.status==200)
			{
				$d("s1").innerhtml=ajax.responsetext;
			}
		};
		ajax.send(null);
	}
}

function checklogin(f){
	if(f.username.value==""){
		alert("请输入您的登录名！");
		f.username.focus();
		return false;	
	}	
	if(f.password.value==""){
		alert("请输入您的登录密码！");
		f.password.focus();
		return false;	
	}
}


function checkupwd(f){
	if(f.oldpwd.value==""){
		f.oldpwd.focus();
		$d("s1").innerhtml="<font color=red>"+errimg+" 对不起，原密码不能为空。</font>";
		return false;
	}else{
		$d("s1").innerhtml="";
	}
	if(f.pwd.value==""){
		f.pwd.focus();
		$d("s2").innerhtml="<font color=red>"+errimg+" 对不起，请输入新密码。</font>";
		return false;
	}else{
		$d("s2").innerhtml="";
	}
	if(f.pwd2.value==""){
		f.pwd2.focus();
		$d("s3").innerhtml="<font color=red>"+errimg+" 对不起，请输入确认密码。</font>";
		return false;
	}else{
		$d("s3").innerhtml="";
	}
	if(f.pwd2.value!=f.pwd.value){
		f.pwd2.focus();
		$d("s3").innerhtml="<font color=red>"+errimg+" 对不起，两次密码输入不一致，请重新输入。</font>";
		return false;
	}else{
		$d("s3").innerhtml="";
	}
}