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();
}
MM_reloadPage(true);

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) { //v4.0
  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 && document.getElementById) x=document.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 OpenBrWindow(theURL,winName,features) {
	var childwindow = window.open(theURL,winName,features);
	if(childwindow==null || typeof(childwindow)=="undefined") alert('Window failed to open.  You may have a Pop-up Blocker\n that prevents TruStone site functionality.\nIf so, change Pop-up settings to allow www.trustoneproducts.com');
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function OpenModalWindow(popupsite,windowname,wndHeight,wndWidth,ScrollYN) {
  var X = 0;
  var Y = 0;

  if (screen.availWidth)
   {
      X = (screen.availWidth / 2) - (wndWidth / 2);
      Y = (screen.availHeight / 2) - (wndHeight / 2);
   }
   var childwindow = window.open(popupsite,windowname,"left=" + X + "screenX=" + X + "screenY=" + Y + ",top=" + Y + ",toolbar=0,scrollbars=0" + ScrollYN + ",resizable=1,height=" + wndHeight + ",width=" + wndWidth);
   if(childwindow==null || typeof(childwindow)=="undefined") alert('Window failed to open.  You may have a Pop-up Blocker\n that prevents TruStone site functionality.\nIf so, change Pop-up settings to allow www.trustoneproducts.com');
	window.onfocus = function(){if (childwindow.closed == false){childwindow.focus();};};
}

function ChangeImageSize(id,enlarge,img) {
	var p=2,x=document.getElementById(id);
	if(enlarge) {
		x.width=x.width+p;
		x.height=x.height+p;
		if(img) MM_swapImage(id,'',img,1);
	}
	else {
		x.width=x.width-p;
		x.height=x.height-p;
		if(img) MM_swapImgRestore();
	}
}

function numberletter(e)
{
	var key;
	var keychar;
	
	if (window.event)
		 key = window.event.keyCode;
	else if (e)
		 key = e.which;
	else
		 return true;
	keychar = String.fromCharCode(key);
	keychar = keychar.toLowerCase();
	
	//control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==27) )
		return true;
	else if(key==13) {
		return 13;
	}

	//alphas and numbers
	else if ((("abcdefghijklmnopqrstuvwxyz0123456789 ").indexOf(keychar) > -1))
		 return true;
	else
		 return false;
}

function Highlight(widget) {
	widget.focus();
	if(widget.getAttribute('value'))
		widget.select();
}