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 MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function toggleon( target_id ) {
	if (document.getElementById) {
		var target = document.getElementById(target_id);
		target.style.display = "";
	} 
	else if (document.all) {
		var tags = document.getElementsByTagName('tr');
		for (i=0; i < tags.length; i++) {
			if (tags[i].attributes.id.value == target_id) {
				tags[i].style.display = "";
			}
		}
	}
}

function toggleoff( target_id ) {
	if (document.getElementById) {
		var target = document.getElementById(target_id);
		target.style.display = "none";
	}
	else if (document.all) {
		var tags = document.getElementsByTagName('tr');
		for (i=0; i < tags.length; i++) {
			if (tags[i].attributes.id.value == target_id) {
				tags[i].style.display = "none";
			}
		}
	}
}

function showorhide(pass1, pass2) {
	if (document.forms[0].country.value == "USA" || document.forms[0].country.value == "Canada") {
		toggleon(pass1);
		toggleoff(pass2);
		document.forms[0].StateOrProvince.setAttribute("required", "true");
		document.forms[0].province.value = "";
	} else {
		toggleoff(pass1);
		toggleon(pass2);
		document.forms[0].StateOrProvince.setAttribute("required", "false");
	}
}

/* Opens the location in the window that opened this one. If no such window exists, a new window is opened. */
function popInOpener(location) {
  if (window.opener && !window.opener.closed) {
    window.opener.location = location;
    window.opener.focus();
  } else {
    popOrdinary(location, 'nemoves');
  }
}

function pop(loc, name, w, h) {
    LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
    TopPosition = (screen.height) ? (screen.height-h)/400 : 0;
    setToolbar = 'yes';
    setLocation = 'yes';
    setDirectories = 'no';
    setStatus = 'yes';
    setMenubar = 'yes';
    setScrollbars = 'yes';
    setResizable = 'yes';
    setCopyhistory = 'no';
    settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',toolbar='+setToolbar+',location='+setLocation+',directories='+setDirectories+',status='+setStatus+',menubar='+setMenubar+',scrollbars='+setScrollbars+',resizable='+setResizable+',copyhistory='+setCopyhistory+''
    var opp = window.open(loc, name, settings);
    opp.focus();
    return opp;
}

function popWin(windowName, loc, w, h, setToolbar, setLocation, setDirectories, setStatus, setMenubar, setScrollbars, setResizable, setCopyhistory) {
    LeftPosition = (screen.availWidth) ? (screen.availWidth-w)/2 : 0;
    TopPosition = (screen.availHeight) ? (screen.availHeight-h)/2 : 0;
    settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',toolbar='+setToolbar+',location='+setLocation+',directories='+setDirectories+',status='+setStatus+',menubar='+setMenubar+',scrollbars='+setScrollbars+',resizable='+setResizable+',copyhistory='+setCopyhistory;
    var opp = window.open(loc, windowName, settings);
    opp.focus();
}

function popOrdinary(location, name) {
  pop(location, name, 820, 600);
}

function popSimple(location, width, height) {
  windowName = 'popup';
  pop(location, windowName, width, height);
}

function popNoDecorations(location, width, height) {
  popWin('popup', location, width, height, 'no', 'no', 'no', 'no', 'no', 'no', 'yes', 'no');
}

// only accept numbers in selected field
function checkIt(e){
	var charCode = (navigator.appName == "Netscape") ? e.which : e.keyCode;
	if (charCode > 31 && (charCode < 48 || charCode > 57)){
		alert("Please make sure entries are numbers only.");
		return false;
	}
	return true;
}