function showLayer(num){
if (document.getElementById || document.all || document.layers) {
	obj = document.getElementById("Layer"+num);
	obj.style.visibility = "visible";
}
}

function hideLayer(num){

	obj2 = document.getElementById("Layer"+num);
	obj2.style.visibility = "hidden";
}

function moveLayer(num, newXCoordinate, newYCoordinate) {
if (document.getElementById || document.all || document.layers) {
	obj3 = document.getElementById("Layer"+num);
	obj3.style.left = newXCoordinate;
	obj3.style.top = newYCoordinate;
}
}



function WA(){
showLayer(2); 
hideLayer(3); 
hideLayer(4);
hideLayer(5); 
hideLayer(6);
scroll(0,0)
}

function ID(){
showLayer(3); 
hideLayer(2); 
hideLayer(4);
hideLayer(5); 
hideLayer(6);
scroll(0,0)
}

function OR(){
showLayer(4);  
hideLayer(2); 
hideLayer(3);
hideLayer(5); 
hideLayer(6);
scroll(0,0)
}

function MT(){
showLayer(5); 
hideLayer(2); 
hideLayer(3);
hideLayer(4); 
hideLayer(6);
scroll(0,0)
}

function AK(){
showLayer(6); 
hideLayer(2);
hideLayer(3); 
hideLayer(4);
hideLayer(5); 
scroll(0,0)
}

function getValue(varname)
{
  var url = window.location.href;
  var qparts = url.split("?");
  if (qparts.length == 0)
  {
    return "";
  }
  var query = qparts[1];
  if (typeof query == 'undefined')
    return "";

  var vars = query.split("&");
  var value = "";
  for (i=0;i<vars.length;i++)
  {
    var parts = vars[i].split("=");
    if (parts[0] == varname)
    {
      value = parts[1];
      break;
    }
  }
  value = unescape(value);
  value.replace(/\+/g," ");
  return value;
}

function area(){
var region = getValue("region");
if (region != "")
eval(region)();
}