function openWin(childURL, childWidth, childHeight, scrollBars, toolbars, resizable) 
{
	var childWin;
	var childLeft = (screen.width - childWidth)/2;
	var childTop = (screen.height - childHeight)/2;

	childWin = window.open(childURL, '', 'toolbar='+toolbars+',location=no,directories=no,status=no,menubar=no,scrollbars='+ scrollBars +
		',resizable='+resizable+',width='+ childWidth +',height='+ childHeight +',top='+childTop+',left='+childLeft);	
	
	return childWin;
}//function openWin(childURL, childWidth, childHeight, scrollBars, toolbars, resizable) 

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function changeMap(id) {
    var myMap1 = document.getElementById("dvnational");
    var myMenu1 = document.getElementById("menunational");
    var myMap2 = document.getElementById("dvregional");
    var myMenu2 = document.getElementById("menuregional");
    
        switch (id) {
          case 1 :
            myMap1.style.display = 'block';
            myMenu1.className = 'map-over';
            myMap2.style.display = 'none';
            myMenu2.className = 'map-off';
          break;
          case 2 :
            myMap1.style.display = 'none';
            myMenu1.className = 'map-off';
            myMap2.style.display = 'block';
            myMenu2.className = 'map-over';
          break;
         }
}

function rollover(item) {
    var myElem = document.getElementById("menu"+item);
    myElem.className = "over";
}
function rollout(item) {
    var myElem = document.getElementById("menu"+item);
    var myDiv = document.getElementById("dv"+item);
    if (myDiv.style.display=="block") {
        myElem.className = "over";
    } else {
        myElem.className = "off";
    }
}

function rolloverMap(item) {
    var myElem = document.getElementById("menu"+item);
    myElem.className = "map-over";
}
function rolloutMap(item) {
    var myElem = document.getElementById("menu"+item);
    var myDiv = document.getElementById("dv"+item);
    if (myDiv.style.display=="block") {
        myElem.className = "map-over";
    } else {
        myElem.className = "map-off";
    }
}