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 addToFavorites() {
	var BookMarkURL = location.href;
	var BooKMarkTitle = document.title;
	
	if (window.sidebar) { // firefox
		window.sidebar.addPanel(BooKMarkTitle, BookMarkURL, "");
	}
	else if (document.all) { // IE
		window.external.AddFavorite(BookMarkURL, BooKMarkTitle);
	} 
	else if (window.opera && window.print) { // opera
		var elem = document.createElement('a');
		elem.setAttribute('href',BookMarkURL);
		elem.setAttribute('BooKMarkTitle',BooKMarkTitle);
		elem.setAttribute('rel','sidebar');
		elem.click();
	}
}

function toggleDisplay(id) {
	var e = document.getElementById(id);
	if (e.style.display == 'block') {
		e.style.display = 'none';
	}
	else {
		e.style.display = 'block';
	}
	return false;
}

function expandDisplay(id,self) {
	if (self.style.backgroundImage == 'url(/images/services_bullets_minus.gif)') {
		self.style.backgroundImage = 'url(/images/services_bullets_plus.gif)'
	}
	else {
		self.style.backgroundImage = 'url(/images/services_bullets_minus.gif)'
	}
	toggleDisplay(id);
	return false;
}

var xmlGoogleAddHttp;

function processSearch(str,root) {
	
	str = str.replace(/%/g, "%25");
	str = str.replace(/&/g, "%26");
	xmlGoogleAddHttp=GetXmlHttpObjectGoogleAdd();
	if (xmlGoogleAddHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url=root+"search/processSearch.asp";
	url=url+"?q="+str;
	xmlGoogleAddHttp.onreadystatechange=stateChangeProcessSearch;
	xmlGoogleAddHttp.open("GET",url,true);
	//window.open(url);
	xmlGoogleAddHttp.send(null);
	return false;
}

function stateChangeProcessSearch()
{
	if (xmlGoogleAddHttp.readyState==4)
	{ 
		
	}
}

function GetXmlHttpObjectGoogleAdd()
{
var xmlGoogleAddHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlGoogleAddHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
	{
	xmlGoogleAddHttp=new ActiveXObject("Msxml2.XMLHTTP");
	}
  catch (e)
	{
	xmlGoogleAddHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
  }
return xmlGoogleAddHttp;
}

var xmlGoogleSuggestHttp;

function displaySuggestions(str,root) {
	if (str.length >= 1) {
		str = str.replace(/%/g, "%25");
		str = str.replace(/&/g, "%26");
		xmlGoogleSuggestHttp=GetXmlHttpObjectGoogleSuggest();
		if (xmlGoogleSuggestHttp==null) {
			alert ("Your browser does not support AJAX!");
			return;
		} 
		var url=root+"search/getSuggestions.asp";
		url=url+"?q="+str+"&root="+root;
		xmlGoogleSuggestHttp.onreadystatechange=stateChangedGoogleSuggestions;
		var f = document.getElementById('suggestionPanel');
		f.style.display = 'block';
		xmlGoogleSuggestHttp.open("GET",url,true);
		xmlGoogleSuggestHttp.send(null);
	}
		if (str=="" || str==null) {
			hideSuggestion();
		}
	
}

function stateChangedGoogleSuggestions() { 
	if (xmlGoogleSuggestHttp.readyState==4) { 
		document.getElementById("suggestionPanel").innerHTML=xmlGoogleSuggestHttp.responseText;
	}
}

function GetXmlHttpObjectGoogleSuggest()
{
var xmlGoogleSuggestHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlGoogleSuggestHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
	{
	xmlGoogleSuggestHttp=new ActiveXObject("Msxml2.XMLHTTP");
	}
  catch (e)
	{
	xmlGoogleSuggestHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
  }
return xmlGoogleSuggestHttp;
}

function hideSuggestion() {
	var f = document.getElementById('suggestionPanel');
	f.style.display = 'none';	
}

function validate_required(field,alerttxt) {
	with (field) {
		if (value==null||value=="") {
			alert(alerttxt);
			return false
		}
		else {
			return true
		}
	}
}

function validate_email(field,alerttxt)
{
	with (field)
	{
	apos=value.indexOf("@")
	dotpos=value.lastIndexOf(".")
	if (apos<1||dotpos-apos<2) 
	  {alert(alerttxt);return false}
	else {return true}
	}
}

function validate_searchform(thisform) {
	with (thisform) {
		if (txtName.value == "Enter Doctors Name here..") {
			alert("Invalid doctor's name!")
			txtName.value = "";
			txtName.focus();
			return false;
		}
	}
}

function IsNumericWithSpace(strString)
//  check for valid numeric strings	
{
	var strValidChars = "0123456789 ";
	var strChar;
	var blnResult = true;
	
	if (strString.length == 0) return false;
	
	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++)
	{
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1)
		{
			blnResult = false;
		}
	}
	return blnResult;
}

function confirmDelete(url,msg) {
	var r=confirm(msg)
	if (r==true) {
		NewWindow(url,'SetInactive','1','1','no');
		var s=setTimeout('location.reload(true)',2000);
	}
	else {
		return false;
	}
}

var win= null;
function NewWindow(mypage,myname,w,h,scroll){
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	var settings ='height='+h+',';
	settings +='width='+w+',';
	settings +='top='+wint+',';
	settings +='left='+winl+',';
	settings +='scrollbars='+scroll+',';
	settings +='resizable=no';
	win=window.open(mypage,myname,settings);
	if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
} 

function ExternalSite(url) {
	var answer = confirm ("You are about to leave ppac.sg to a 3rd Party Site. Do you wish to proceed?")
	if (answer) { 
		window.open(url);
	}
	return false;
}

function DevLink() {
	alert("This page is currently under construction.")
	return false;
}

function validate_bookingform(thisform) {
	myOption = -1;
	for (i=thisform.hospitalChoice.length-1; i > -1; i--) {
		if (thisform.hospitalChoice[i].checked) {
			myOption = i; i = -1;
		}
	}
	if (myOption == -1) {
		alert("Please select your preferred choice of hospital.");
		thisform.hospitalChoice[1].focus();
		return false;
	}
	if (thisform.txtCountry.selectedIndex == "0") {
		alert("Please select your Nationality.");
		thisform.txtCountry.focus();
		return false;
	}
	with (thisform) {
		if (validate_required(strName,"Please enter your Name.")==false) {
			strName.focus();
			return false;
		}
	}
	myGender = -1;
	for (j=thisform.genderChoice.length-1; j > -1; j--) {
		if (thisform.genderChoice[j].checked) {
			myGender = j; j = -1;
		}
	}
	if (myGender == -1) {
		alert("Please select your Gender.");
		thisform.genderChoice[1].focus();
		return false;
	}
	with (thisform) {
		if (validate_required(strDOB,"Please enter your Date of Birth.")==false) {
			strDOB.focus();
			return false;
		}
	}
	with (thisform) {
		if (validate_required(strPassport,"Please enter your Passport Number of Singapore NRIC.")==false) {
			strPassport.focus();
			return false;
		}
	}
	with (thisform) {
		if (validate_required(strMobile,"Please enter your Mobile Contact Number.")==false) {
			strMobile.focus();
			return false;
		}
	}
	with (thisform) {
		if (validate_email(strEmail,"Please enter your valid Email Address.")==false) {
			strEmail.focus();
			return false;
		}
	}
	with (thisform) {
		if (validate_required(strMessage,"Please enter your current Medical Conditions or relevant information.")==false) {
			strMessage.focus();
			return false;
		}
	}
	with (thisform) {
		if (validate_required(strVerify,"Please enter the verification code as you see.")==false) {
			strVerify.focus();
			return false;
		}
	}
}