var browserName=navigator.appName;
var left_align = 468; // Set the left position to center the greybox
var top_align = 374;  // Set the top position to center the greybox
function disp(){
  document.getElementById('s').style.display = 'block'; 
  document.getElementById('ebox1').style.display='block'; 
   
  if(browserName == "Netscape"){
    var stop = document.documentElement.scrollTop;
    document.getElementById('ebox1').style.height=document.body.offsetHeight+"px";
    var top_pos = stop+top_align;   
    document.getElementById('s').style.top= top_pos+"px";	
    document.getElementById('ebox1').style.top=stop+"px";
	 // document.getElementById('s').style.position = "fixed";
	}else{
	  var stop = document.documentElement.scrollTop;
	  var top_pos = stop+top_align;   
    document.getElementById('s').style.top= top_pos+"px";
//    document.getElementById('ebox1').style.height = document.body.clientHeight+"px";
 //   document.getElementById('ebox1').style.width = document.body.clientWidth+"px";
    window.onscroll=mveditbox;
  }
    
   document.getElementById('frm').style.opacity = 5/10;
  // document.getElementById('frm').style.filter = 5/10;
   
   document.getElementById('ebox1').style.zIndex=100; 
   document.getElementById('s').style.zIndex=1000;
  
   var sleft = window.pageXOffset || document.body.scrollLeft || document.documentElement.scrollLeft;
   var left_pos = sleft+left_align;
   document.getElementById('s').style.left= left_pos+"px";
}

function hide(){
   document.getElementById('s').style.display='none';
   document.getElementById('frm').style.opacity = 100;
   document.getElementById('ebox1').style.display='none'; 
}
  
function mveditbox() {
   var stop = window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop;
   document.getElementById('ebox1').style.top=stop+"px";
}