var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;
var ActiveLayer



function ShowMsg(MSG){
layout=document.getElementById(MSG)
if (layout.style.display == "block")  { 
	layout.style.display = "none";
	}
else if (layout.style.display == "none")  {
	layout.style.display = "block"
	}

}


function addbookmark(bookmarkurl,bookmarktitle)
{ if (document.all)window.external.AddFavorite(bookmarkurl,bookmarktitle);
} 




function writetolayer(lay,txt) {

if (document.getElementById([lay]).style.display == "none")
{ document.getElementById([lay]).style.display = "block";
}

else {document.getElementById([lay]).style.display = "none";}

if (ie4) {
document.all[lay].innerHTML = txt;
}
if (ns4) {
document[lay].document.write(txt);
document[lay].document.close();
}
if (ns6) {
over = document.getElementById([lay]);
range = document.createRange();
range.setStartBefore(over);
domfrag = range.createContextualFragment(txt);
while (over.hasChildNodes()) {
over.removeChild(over.lastChild);
}
over.appendChild(domfrag);
   }

}

function hidelayer(lay) {
	
document.getElementById([lay]).style.display = "none";
ActiveLayer=false;
}
function showlayer(lay) {
document.getElementById([lay]).style.display = "block";
ActiveLayer=true;
}


  /* send data */
function ajaxNow2(_data,_div)
{
  var xmlHttp;
  
  
  try
  {
    /* Firefox, Opera 8.0+, Safari */
    xmlHttp=new XMLHttpRequest();
  }
  catch (e)
  {
    /* newer IE */
    try
    {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
      /* older IE */
      try
      {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e)
      {
        alert("Your browser is old and does not have AJAX support!");
        return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
  {
    if(xmlHttp.readyState==4)
    {
      /* this puts the value into an alert */
	   writetolayer(_div,xmlHttp.responseText)
	   positionLayer(_div)
    }
	

  }
  xmlHttp.open("GET",_data,true);
 
  
  xmlHttp.send(null);
}

function positionLayer(lay){
	// get div proportion
	
		
			
	// case explorer
	
		document.getElementById([lay]).style.left=(screen.width +document.body.scrollLeft-640)/2;
		document.getElementById([lay]).style.top= document.body.scrollTop+45;

	
}