var panels = new Array('panel1', 'panel2', 'panel3', 'panel4');
var selectedTab;
function showPanel(tab, name)
{
if (selectedTab) 
{
selectedTab.style.paddingTop = '';
selectedTab.style.paddingBottom = '';
}
selectedTab = tab;
selectedTab.style.paddingTop = '6px';
for(i = 0; i < panels.length; i++)
{
document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';
}
return false;
}

sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" ie_does_hover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" ie_does_hover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
/*
sfHover = function() {
var sfEls = document.getElementById("WG").getElementsByTagName("TD");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" ie_does_hover_td";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" ie_does_hover_td\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
*/

function switchPic (id) {


	arrPic = new Array ();
	arrPic[0] = "picDavis6152";
	arrPic[1] = "picIss";
	arrPic[2] = "picWindmeter";
	arrPic[3] = "picAnonemeter";
	arrPic[4] = "picTippingbucket";
	arrPic[5] = "picZonnemeter";
	arrPic[6] = "picDatalogger";
	arrPic[7] = "picWeatherlink";
	arrPic[8] = "picEnvoy";
	arrPic[9] = "picRepeater";
	arrPic[10] = "picDrijver";
	arrPic[11] = "picTempstation";

	for(val in arrPic) {
		if (document.getElementById (arrPic[val])) {
			document.getElementById (arrPic[val]).style.display='none';
		}
	}
	if (document.getElementById (id)) {
		document.getElementById (id).style.display='';
	}


}

function switchGraph (id) {


	arrGraph = new Array ();
	arrGraph[0] = "graphTemp";
	arrGraph[1] = "graphWindchill";
	arrGraph[2] = "graphBarometer";
	arrGraph[3] = "graphHumidity";
	arrGraph[4] = "graphWindspeed";
	arrGraph[5] = "graphWinddirection";
	arrGraph[6] = "graphHiwindspeed";
	arrGraph[7] = "graphRain";
	arrGraph[8] = "graphRainrate";

	for(val in arrGraph) {
		if (document.getElementById (arrGraph[val])) {
			document.getElementById (arrGraph[val]).style.display='none';
		}
	}
	if (document.getElementById (id)) {
		document.getElementById (id).style.display='';
	}


}

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_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_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];}
}