var mapwidth=455;//鍍忕礌�?
var mapheight=440;//鍍忕礌楂?
var mapLeft=116.313296;//宸﹂《鐐?
var mapTop=27.751511;//涓婇《鐐?
var mapRight=122.106642;//鍙抽《鐐?
var mapBottom=22.679065;//涓嬮《鐐?

//lefttop:116.313296    27.751511
//rightbottom:122.106642    22.679065

//灏嗙粡绾害鐨勫害鍒嗘牸寮忚浆鎹㈡垚搴?
function ConvertCood(value)
{
    var arrxy=value.split("-");
    value=(arrxy[0])*1+arrxy[1]/60;
    return value;

}
function getjdbypx(x)
{
    var jwWidth=mapRight-mapLeft;
    var lon=mapLeft+((x*jwWidth)/mapwidth)+"";
    if(lon.length>8)
    lon=lon.substring(0,(lon.indexOf(".")+3));
    return lon;
}
function getwdbypx(y)
{
   var jwHeight=mapTop-mapBottom;
    var lat=mapTop-((y*jwHeight)/mapheight)+"";
    if(lat.length>8)
    lat=lat.substring(0,(lat.indexOf(".")+3));
    return lat;
}
//灏嗙粡搴﹁浆鎹㈡垚鍍忕礌
function getpxbyj(Lon)
{
//    alert("Lon "+Lon);
    var jwWidth=mapRight-mapLeft;
    var x=((Lon-mapLeft)/jwWidth)*mapwidth;
    return x;
    
}
//灏嗙含搴﹁浆鎹㈡垚鍍忕礌
function getpxbyw(Lat)
{
// alert("Lat "+Lat);
    var jwHeight=mapTop-mapBottom;
    var y=((mapTop-Lat)/jwHeight)*mapheight;
    return y;
}
//鍙栧璞?
function $(id)
{	
	try
	{
		if(typeof(id)=="string") return document.getElementById(id)
		if(typeof(id)=="object" ) return id
	}
	catch(e)
	{	
		DebugErr_P("鏃犳Dom ID")
		return null
	}
}

//绔欑偣淇℃伅
var Tideinfo=function()
{
    //鍧愭�?    this.X="";
    this.Y="";
    //鍚嶇О
    this.TideName="";
    //缂栧�?
    this.ID="";
    this.warninglevel="";
 }

//3������һ��������������ַ�flg���������
function $Rnd(flg)
{
	var d, s = '';
	if(!flg)flg=100000;
	d = new Date();
	s += d.getHours();
	s += d.getMinutes();
	s += d.getSeconds();
	s += d.getMilliseconds();
	return Math.round(Math.random()*flg).toString()+s.toString();
}
function setWindow()
        {
            var menu=window.parent.document.getElementById("menuDiv");
            var center=window.parent.document.getElementById("cententDiv");
            var messagebg=document.getElementById("messagebg");
            var hymsgcen=document.getElementById("hymsgcen");
            var btnDiv=document.getElementById("btnDiv");
            var botton=window.parent.document.getElementById("bottonDiv");
            var fheight=window.screen.availHeight;
            if(menu.style.display!="none")
            {
                btnDiv.style.backgroundImage="url(images/jt2.png)";
                 btnDiv.style.height="560px";
                messagebg.style.width="1000px";
                hymsgcen.style.width="943px";
                menu.style.display="none";
                center.style.width="1000px";
                center.style.left="0px";
                center.style.height="600px";
                botton.style.top="693px"; 
	            parent.scrollTo(0,95);

            }
            else
            {
                btnDiv.style.backgroundImage="url(images/jt1.png)";
                btnDiv.style.height="490px";
                messagebg.style.width="832px";
                hymsgcen.style.width="776px";
                menu.style.display="block";
                center.style.width="831px";
                center.style.left="169px"; 
                botton.style.top="621px"; 
                center.style.height="530px";
                 parent.scrollTo(0,0);
            }
            
 }