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 detectBrowser ()
{
	if (navigator.userAgent.indexOf("MSIE") != -1)
    	document.write ('<' + 'link rel="stylesheet" type="text/css" href="scripts/style_ie.css" />');
	else
        document.write ('<' + 'link rel="stylesheet" type="text/css" href="scripts/style_ns.css" />');
}

detectBrowser();



var org_fnt_sz; 

function regFntSz() { 
	if (document.all) { 
		org_fnt_sz=document.getElementById("pgBod").currentStyle.fontsize; 
	} else { 
		var imd=window.getComputedStyle(document.getElementById("pgBod"),""); 
		org_fnt_sz=imd.getPropertyValue("font-size"); 
	} 
} 

function ckFntSz(){ 
	if (document.all) { 
		var cur_fnt_sz=document.getElementById("pgBod").currentStyle.fontsize; 
	} else { 
		var imd=window.getComputedStyle(document.getElementById("pgBod"),""); 
		var cur_fnt_sz=imd.getPropertyValue("font-size");
	} 
	//alert(org_fnt_sz==cur_fnt_sz); //take this out for normal function, just shows test result 
	if(org_fnt_sz!==cur_fnt_sz)history.go(0); //a soft reload, replace with location.reload() for hard reload 
} 

function validation()
{
	if (document.feedback.name.value == "") 
	{	
		alert("Name is a mandatory field");
		document.feedback.name.focus();
		return false;
	}

	if (document.feedback.emailAddr.value == "") 
	{	
		alert("Email Address is a mandatory field");
		document.feedback.emailAddr.focus();
		return false;
	}
	else
	{
		if (document.feedback.emailAddr.value.indexOf("@") == -1)
		{
			alert("Invalid email address");
			document.feedback.emailAddr.focus();
			return false;
		}
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.feedback.emailAddr.value)){

		}
		else
		{
			document.feedback.emailAddr.focus();
			alert("Please enter a valid email address");
			return false;
		}
	}

	if (document.feedback.comments.value == "") 
	{	
		alert("Comments or suggestions for eCitizen is a mandatory field");
		document.feedback.comments.focus();
		return false;
	}
	document.feedback.btnClicked.value = "submit";
	document.feedback.submit();
	return true;
}