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];}
}

function menuPreLoad() {
MM_preloadImages('../images/buttons/overview_over.gif','../images/buttons/history_over.gif','../images/buttons/sites_over.gif','../images/buttons/instruments_over.gif','../images/buttons/data_over.gif','../images/buttons/quality_assurance_over.gif','../images/buttons/site_passes_over.gif','../images/buttons/projects_over.gif')
}

function getCurrent(x) {
			var xmlhttp;
			
  			
			if (window.XMLHttpRequest) {
				xmlhttp = new XMLHttpRequest();
			} else if (window.ActiveXObject) {
				xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
			}			
			
			if (x) {
				
			    div = document.getElementById('current_weather');				
			    //div.innerHTML = "";
				div.innerHTML = "<div id='loading'>Loading...</div>";
				xurl = '../current_wx.php?stid=' + x;
		    	xmlhttp.open('GET', xurl ,true);
			
				xmlhttp.onreadystatechange=function() {
				if (xmlhttp.readyState==4) {
					div.innerHTML = "";
					div.innerHTML = xmlhttp.responseText;
					
					//the_body = document.getElementsByTagName("body");
                    //the_body[0].style.backgroundImage = 'url(bg_wide.gif)';
					
 		 		}
 				}
				xmlhttp.send(null)
				stid = x;
			}
			///// write cookie
			var today = new Date();
			var expiry = new Date(today.getTime() + 365 * 24 * 60 * 60 * 1000);
			document.cookie = 'stid=' + stid + '; expires=' + expiry.toGMTString() + ';path=/';
}

// url parser
function urlParser() {
	var u = "" + location;
	x = "";
	for (i=0; i < u.length; i++) {
		if (u.charAt(i) == '?') {
			while ( i < u.length) {
			i++;
			x = x + u.charAt(i);
			}
		}
	}
return x;
}

// Netscape Resize Fix
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}