// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove
document.onmousemove = getMouseXY;

// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

// Main function to retrieve mouse x-y pos.s

function getMouseXY(e) {
  if (IE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + document.body.scrollLeft
    tempY = event.clientY + document.body.scrollTop
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
  // show the position values in the form named Show
  // in the text fields named MouseX and MouseY
  //document.Show.MouseX.value = tempX
  //document.Show.MouseY.value = tempY
  return true
}


function ManageLayer(id, visible){
   var el = document.getElementById(id);
   
   if ( visible == 1 && el.style.display != 'block'){
     el.style.display = visible ? 'block' : 'none';
	 
   }else{
     el.style.display = visible ? 'block' : 'none';
   }
     
   el.style.left = (tempX-95)+'px';
   el.style.top = (tempY+15)+'px';
   
   //el.style.left = (screen.availWidth-300)/2;
   //el.style.top = (screen.availHeight-300)/2;
   
}