var N, NavVer, undef;
isDOM=(document.getElementById)?true:false
isOpera=(window.opera)?true:false
isMSIE=isIE=(document.all && document.all.item && !isOpera)?true:false
isNC4=(document.layers)?true:false
isNC6=isMozilla=isDOM && navigator.appName=="Netscape"
isNC=isNC4 || isNC6
Nav = navigator.appName;
NavVer = parseInt(navigator.appVersion);
if (Nav == "Microsoft Internet Explorer") { N="IE" } else { N="N" }

function di20(id, newSrc) {
	d=document;
	var theImage = FWFindImage(d, id, 0);
	if (theImage) { theImage.src = newSrc; }
}

function FWFindImage(doc, name, j) {
    var theImage = false;
    if (doc.images) { theImage = doc.images[name]; }
    if (theImage) { return theImage; }
    if (doc.layers) {
        for (j = 0; j < doc.layers.length; j++) {
            theImage = FWFindImage(doc.layers[j].document, name, 0);
            if (theImage) { return (theImage); }
        }
    }
    return (false);
}

function preloadImages() {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.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_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 getWindowWidth(w){
  if(!w) w=self;
  if(isMSIE) return w.document.body.clientWidth;
  if(isNC || isOpera) return w.innerWidth;
}
function getWindowHeight(w){
  if(!w) w=self;
  if(isMSIE) return w.document.body.scrollHeight;
  if(isNC || isOpera) return document.height;
}
function trim(inputString) {
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) {
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
   }
   return retValue;
} 
  function newwindow(newpage,param,winname) {
    var detailwindow=window.open(newpage, winname,param);
    detailwindow.focus();
  }
function EmailPage(u) {
    if (u=='' || u==undef) {
        u="http://www.shastalake.net";
    }
    newwindow("/EmailFriend.php?u=" + u,'height=350,width=530,menubar=no,resizable=no,tollbar=no,scrollbars=no','emailAFriend')
}
function PrintPage(u) {
    if (u=='' || u==undef) {
        u="http://www.shastalake.net";
    }
   
   if (u.indexOf("?")==-1) {
        u=u+"?print=1";
   } else {
        u=u+"&print=1";
   }
   p=window.open(u, 'PrintPage','height=500,width=530,menubar=no,resizable=yes,tollbar=no,scrollbars=yes');
}
function nada() {return true;}
function changeBG(o,c) { o.bgColor=c; }
function ACal() { newwindow("/availability/avail1.html",'height=550,width=730,menubar=no,resizable=yes,tollbar=no,scrollbars=yes','AvailCal'); }
function LoginInfo() { newwindow("/includes/loginInstructions.php",'height=550,width=630,menubar=no,resizable=no,tollbar=no,scrollbars=no','LoginInfo'); }