// Mother Nature JS Scripts

// Change CSS attribute/s (Font Size) of the page
	function fnSetFontSize(strSize){
		var hLinkTag = document.getElementById("csstag")
		var strFileName = "sr_"+strSize+".css"
		hLinkTag.setAttribute("href", strFileName)
		// window.alert(hLinkTag.getAttribute("href"))
	}

// Write email address to the page - hide from bots
	function displayEmail(myname,mydom){
		document.write("<b><u><A HREF=\"mailto:" + myname + "@" + mydom + "\">" + myname + "@" + mydom + "</A></u></b>");
	}

// Write email address to the page with a Label - hide from bots
	function displayEmailLabel(myname,mydom,mylabel){
		document.write("<u><A HREF=\"mailto:" + myname + "@" + mydom + "\">" + mylabel + "</A></u>");
	}

// Write email address to the page with a Label & subject - hide from bots
	function displayEmailnSub(myname,mydom,mylabel,mysubject){
		document.write("<u><A HREF=\"mailto:" + myname + "@" + mydom + "\?subject\=" + mysubject + "\">" + mylabel + "</A></u>");
	}

// Use single form named "myPageForm" with a selection list called "myPage"
// to change page URL without Submit button.
	function goMyPage() {
		var oForm = document.myPageForm
		selectedURL = oForm.myPage.options[oForm.myPage.selectedIndex].value;
		if (selectedURL != "") {top.window.location = selectedURL}
	}
	
// updated form to change page URL onChange without submit.
//   <form name="myFormNo1">
//   <select name="myLinkPage" onChange="gohere(this[this.selectedIndex].value)" 
//		onSubmit="gohere(this[this.selectedIndex].value)">
//      <option value="my_fav_page.html"> Go to my favourite page </option> 
//   </select>
//
	function gohere(selectedURL) {
		if (selectedURL != "") {top.window.location = selectedURL}
	}

	
// Force browsers to allow active content.
	function blockError(){return true;}
	window.onerror = blockError;


// Validate forms by finding objects required
	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_validateForm() { //v4.0
	  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
	  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
		if (val) { nm=val.name; if ((val=val.value)!="") {
		  if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
			if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
		  } else if (test!='R') { num = parseFloat(val);
			if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
			if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
			  min=test.substring(8,p); max=test.substring(p+1);
			  if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
		} } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
	  } if (errors) alert('The following error(s) occurred:\n'+errors);
	  document.MM_returnValue = (errors == '');
	}

// DreamWeaver Image Swap code
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_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];}
}