var rgOnLoad=new Array(); 
//var maxS = 0;minS = 50; initPos = 0;
var maxS = 0;minS = 220; initPos = 0;
var followInitPos = 0;
var followMinS = 0; 

//AddLoadFn('InitMenu()'); 

function AddLoadFn(szfn)
{ 
   window.onload=RunLoadFn; 
   rgOnLoad[rgOnLoad.length]=szfn; 
} 

function RunLoadFn(){for(var i=0;i<rgOnLoad.length;i++)eval(rgOnLoad[i]);} 
 

 
 function InitMenu() 
{ 
     var aMap = document.getElementById("map1"); 
    // initial position
    minS = document.getElementById("map1").offsetTop;
    initPos = document.getElementById("map1").offsetTop;
    moveMenu();
}  



 
function moveMenu() 
{ 

    var sc=document.body.scrollTop; 
    if( sc > minS ){ 
            document.getElementById("map1").style.pixelTop = sc - minS;
            ffmap= document.getElementById("map1"); 
            ffmap.style.top=sc - minS ;
    }
    else
    { 
        document.getElementById("map1").style.pixelTop= 0; 
        ffmap= document.getElementById("map1");
        ffmap.style.top=0; 
     }
  } 



 
//function slideMap() 
//{
  //if(document.chkFollowMe.checked == false){ 
  //window.onscroll = function(){ document.getElementById("map1").style.pixelTop= 0; 
  //   ffmap= document.getElementById("map1"); 
  //   ffmap.style.top=0;
  // } 
 //} 
//else { 
 // window.onscroll = moveMenu; 
  //} 
//} 
window.onscroll = moveMenu;