function isMatch(str1,str2) 
{  
var index = str1.indexOf(str2); 
if(index==-1) return false; 
return true; 
} 


function ResumeError() { 
return true; 
} 
window.onerror = ResumeError; 

function $(id) {
    return document.getElementById(id);
}
// 相对尺寸
function GetOffsetTop (el, p) {
    var _t = el.offsetTop;
    var _p = el.offsetParent;

    while (_p) {
        if (_p == p) break;
        _t += _p.offsetTop;
        _p = _p.offsetParent;
    }

    return _t;
};
function GetOffsetLeft (el, p) {
    var _l = el.offsetLeft;
    var _p = el.offsetParent;

    while (_p) {
        if (_p == p) break;
        _l += _p.offsetLeft;
        _p = _p.offsetParent;
    }

    return _l;
};
function showMenu (baseID, divID) {
    baseID = $(baseID);
    divID  = $(divID);

    //var l = GetOffsetLeft(baseID);
    //var t = GetOffsetTop(baseID);

    //divID.style.left = l + 'px';
//    divID.style.top = t + baseID.offsetHeight + 'px';
    if (showMenu.timer) clearTimeout(showMenu.timer);
	hideCur();
    divID.style.display = 'block';
	showMenu.cur = divID;

    if (! divID.isCreate) {
        divID.isCreate = true;
        //divID.timer = 0;
        divID.onmouseover = function () {
            if (showMenu.timer) clearTimeout(showMenu.timer);
			hideCur();
            divID.style.display = 'block';
        };

        function hide () {
            showMenu.timer = setTimeout(function () {divID.style.display = 'none';}, 1000);
        }

        divID.onmouseout = hide;
        baseID.onmouseout = hide;
    }
	function hideCur () {
		showMenu.cur && (showMenu.cur.style.display = 'none');
	}
}

function doClick_down(o){
	 o.className="current";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=4;i++){
	   id ="down"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("d_con"+i);
	   if(id != o.id){
	   	 j.className="";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }
	 
function doClick_jy(o){
	 o.className="current";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=8;i++){
	   id ="jy"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("jy_con"+i);
	   if(id != o.id){
	   	 j.className="";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }


function doZoom(size){
	document.getElementById('textbody').style.fontSize=size+'px'
}


/// 修改及新增
function doClick_menu (o) {
	o.className = 'menu_gg';
	var j, id, e;
	for (var i = 1; i <= 11; i++) {
	    id = 'menu' + i;
	    j = document.getElementById(id);
	    e = document.getElementById('menu_con' + i);
	    if (id != o.id) {
	   	   j.className = '';
	   	   e.style.display = 'none';
	    }
        else {
		    e.style.display = 'block';
	    }
	 }
}
function doClick_submit () {
    var keyword = document.getElementsByName('keyword')[0].value;
    window.open(doClick_submit.url + keyword);
}
window.onload = function (){
	var keyword = document.getElementsByName('keyword')[0];
	keyword.onkeydown = function (e) {
		e = e || window.event;
		if (e.keyCode == 13) {
			doClick_submit();
		}
	};
}

function ImgAuto(i){//你必须给图片提前设定初始宽度和高度，建议直接就是最大宽度和高度
 var MaxW=100; //定义图片显示的最大宽度,不想限制宽度，可设置足够大
 var MaxH=100; //定义图片显示的最大高度,不想限制高度，可设置足够大
 var o=new Image();o.src=i.src;var w=o.width;var h=o.height;var t;if (w>MaxW){t=MaxW;}else{t=w;}
 if ((h*t/w)>MaxH){i.height=MaxH;i.width=MaxH/h*w;}else{i.width=t;i.height=t/w*h;}
}

function checkreg2()
	{
	 if (userreg.M_topic.value=="")
		  {
		    alert("主题不能为空!");
			  userreg.M_topic.focus();
			  return false;
		  }
	 if (userreg.M_name.value=="")
		  {
		    alert("姓名不能为空!");
			  userreg.M_name.focus();
			  return false;
		  }
	 if (userreg.M_mail.value=="")
		  {
		    alert("E-mail不能为空！");
			userreg.M_mail.focus();
			return false;
		  }
		  else if (userreg.M_mail.value.charAt(0)=="." ||
		     userreg.M_mail.value.charAt(0)=="@" ||
			  userreg.M_mail.value.indexOf('@',0) == -1 ||
			  userreg.M_mail.value.indexOf('.',0) == -1 ||
			 userreg.M_mail.value.lastIndexOf('@') == userreg.M_mail.value.length-1 ||
			 userreg.M_mail.value.lastIndexOf(".") == userreg.M_mail.value.length-1)
		 {
		   alert("E-mail格式错误!");
		  userreg.M_mail.select();
		   return false;
		 }
	if (userreg.M_tel.value=="")
		  {
		    alert("联系电话不能为空!");
			  userreg.M_tel.focus();
			  return false;
		  }
	if (userreg.M_content.value=="")
		  {
		    alert("留言内容不能为空，最多100个汉字!");
			  userreg.M_content.focus();
			  return false;
		  }
	return true;
	}