function validateForm(form) {                                                              
	//if (validateRequired(form) && validateEmail(form) && isPhoneNumber(form.phone.value))
	if (validateRequired(form) && validateEmail(form) )
	{
		//if (isInteger(form.phone.value) && form)
		//if (isPhoneNumber(form.phone.value))
		//{
			//if (checktel()){
			if (PhoneValidate(form.phone.value)){
						
			loadPage('contactus',{action:1, name: form.name.value, email: form.email.value, phone: form.phone.value,address: form.address.value, comment: form.comment.value});
			}
		//}		
	};	
} 

function required () { 
	this.aa = new Array("name", "Name is a required field.", new Function ("varName", " return this[varName];"));
	this.ab = new Array("email", "Email is a required field.", new Function ("varName", " return this[varName];"));
	this.ac = new Array("phone", "Phone number is a required field.", new Function ("varName", " return this[varName];"));
	this.ad = new Array("comment", "Comment is a required field.", new Function ("varName", " return this[varName];"));
} 

function email () { 
	this.aa = new Array("email", "Email is an invalid e-mail address.", new Function ("varName", " return this[varName];"));
}

function checktel() { 
	if (document.frm.phone.value.length < 7) {
		alert("This Phone number must only  use more 7 characters ");
		return  false;
	} else {
	return  true;
	}
}

function validateRequired(form) {
	var isValid = true;
	var focusField = null;
	var i = 0;
	var fields = new Array();
	oRequired = new required();
	for (x in oRequired) {
		var field = form[oRequired[x][0]];
		if (field == null) continue;
		
		if (field.type == 'text' ||
			field.type == 'textarea' ||
			field.type == 'file' ||
			field.type == 'select-one' ||
			field.type == 'radio' ||
			field.type == 'password') {
			
			var value = '';
			// get field's value
			if (field.type == "select-one") {
				var si = field.selectedIndex;
				if (si >= 0) {
					value = field.options[si].value;
				}
			} else {
				value = field.value;
			}
			
			if (trim(value).length == 0) {
			
				if (i == 0) {
					focusField = field;
				}
				fields[i++] = oRequired[x][1];
				isValid = false;
			}
		}
	}
	if (fields.length > 0) {
	   focusField.focus();
	   alert(fields.join('\n'));
	}

	return isValid;
}
// Trim whitespace from left and right sides of s.
function trim(s) {
	return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
}			
function validateEmail(form) {
	var bValid = true;
	var focusField = null;
	var i = 0;
	var fields = new Array();
	oEmail = new email();
	for (x in oEmail) {
		if ((form[oEmail[x][0]].type == 'text' ||
			 form[oEmail[x][0]].type == 'textarea') &&
			(form[oEmail[x][0]].value.length > 0)) {
			if (!checkEmail(form[oEmail[x][0]].value)) {
				if (i == 0) {
					focusField = form[oEmail[x][0]];
				}
				fields[i++] = oEmail[x][1];
				bValid = false;
			}
		}
	}
	if (fields.length > 0) {
		focusField.focus();
		alert(fields.join('\n'));
	}
	return bValid;
}

/**
 * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
 * http://javascript.internet.com
 */
function checkEmail(emailStr) {
   if (emailStr.length == 0) {
	   return true;
   }
   var emailPat=/^(.+)@(.+)$/;
   var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
   var validChars="\[^\\s" + specialChars + "\]";
   var quotedUser="(\"[^\"]*\")";
   var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
   var atom=validChars + '+';
   var word="(" + atom + "|" + quotedUser + ")";
   var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
   var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
   var matchArray=emailStr.match(emailPat);
   if (matchArray == null) {
	   return false;
   }
   var user=matchArray[1];
   var domain=matchArray[2];
   if (user.match(userPat) == null) {
	   return false;
   }
   var IPArray = domain.match(ipDomainPat);
   if (IPArray != null) {
	   for (var i = 1; i <= 4; i++) {
		  if (IPArray[i] > 255) {
			 return false;
		  }
	   }
	   return true;
   }
   var domainArray=domain.match(domainPat);
   if (domainArray == null) {
	   return false;
   }
   var atomPat=new RegExp(atom,"g");
   var domArr=domain.match(atomPat);
   var len=domArr.length;
   if ((domArr[domArr.length-1].length < 2) ||
	   (domArr[domArr.length-1].length > 3)) {
	   return false;
   }
   if (len < 2) {
	   return false;
   }
   return true;
}

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) 
		{
			if (c != " ")
			{
				return false;
			}			
		}
		
    }
    // All characters are numbers.
    return true;
}


function isPhoneNumber(s) 
{

     // Check for correct phone number
     //rePhoneNumber = new RegExp(/^\([1-9]\d{2}\)\s?\d{3}\-\d{4}$/);
	//rePhoneNumber = new RegExp(/^\d{3}$/);
	 rePhoneNumber = new RegExp(/^[1-9]\d{2}\s?\d{4}$/);
     if (!rePhoneNumber.test(s)) {
          alert("You must enter a valid telephone number");
          return false;
     }

return true;
}
//--------------------Phone Validation --------------------------
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 7;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function PhoneValidate(s){	
	if (checkInternationalPhone(s)==false){
		alert("Please Enter a Valid Phone Number")		
		return false
	}
	return true
 }
//--------------- Calendar----------------------
// JS Calendar
var calendar = null; // remember the calendar object so that we reuse
// it and avoid creating another

// This function gets called when an end-user clicks on some date
function selected(cal, date) {
	cal.sel.value = date; // just update the value of the input field
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks the "Close" (X) button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
	cal.hide();			// hide the calendar

	// don't check mousedown on document anymore (used to be able to hide the
	// calendar when someone clicks outside it, see the showCalendar function).
	Calendar.removeEvent(document, "mousedown", checkCalendar);
}

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown.  If the click was outside the open
// calendar this function closes it.
function checkCalendar(ev) {
	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
	for (; el != null; el = el.parentNode)
	// FIXME: allow end-user to click some link without closing the
	// calendar.  Good to see real-time stylesheet change :)
	if (el == calendar.element || el.tagName == "A") break;
	if (el == null) {
		// calls closeHandler which should hide the calendar.
		calendar.callCloseHandler(); Calendar.stopEvent(ev);
	}
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id) {
	var el = document.getElementById(id);
	if (calendar != null) {
		// we already have one created, so just update it.
		calendar.hide();		// hide the existing calendar
		calendar.parseDate(el.value); // set it to a new date
	} else {
		// first-time call, create the calendar
		var cal = new Calendar(true, null, selected, closeHandler);
		calendar = cal;		// remember the calendar in the global
		cal.setRange(1900, 2070);	// min/max year allowed
		calendar.create();		// create a popup calendar
	}
	calendar.sel = el;		// inform it about the input field in use
	calendar.showAtElement(el);	// show the calendar next to the input field

	// catch mousedown on the document
	Calendar.addEvent(document, "mousedown", checkCalendar);
	return false;
}

function doDateCheck(from, to) 
{
	if (from.value != "0000-00-00" && to.value != "0000-00-00")
	{
		if (Date.parse(to.value) <= Date.parse(from.value)) 
		{
			alert("To date must occur after the from date.");
			to.value="";
		}
	}	
}
function chkdate(objName,strDatestyle) 
{
	//var strDatestyle = "US"; //United States date style
	//var strDatestyle = "EU";  //European date style
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	//strMonthArray[0] = "Jan";
	//strMonthArray[1] = "Feb";
	//strMonthArray[2] = "Mar";
	//strMonthArray[3] = "Apr";
	//strMonthArray[4] = "May";
	//strMonthArray[5] = "Jun";
	//strMonthArray[6] = "Jul";
	//strMonthArray[7] = "Aug";
	//strMonthArray[8] = "Sep";
	//strMonthArray[9] = "Oct";
	//strMonthArray[10] = "Nov";
	//strMonthArray[11] = "Dec";
	strMonthArray[0] = "01";
	strMonthArray[1] = "02";
	strMonthArray[2] = "03";
	strMonthArray[3] = "04";
	strMonthArray[4] = "05";
	strMonthArray[5] = "06";
	strMonthArray[6] = "07";
	strMonthArray[7] = "08";
	strMonthArray[8] = "09";
	strMonthArray[9] = "10";
	strMonthArray[10] = "11";
	strMonthArray[11] = "12";
	strDate = datefield.value;
	if (strDate.length < 1) 
	{
		return true;
	}
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) 
	{
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) 
				{
					err = 1;
					return false;
				}
			else 
				{
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
				}
				booFound = true;
		   }
	}
	if (booFound == false) 
	{
		if (strDate.length>5) 
		{
		strDay = strDate.substr(0, 2);
		strMonth = strDate.substr(2, 2);
		strYear = strDate.substr(4);
	   }
	}
	if (strYear.length == 2) 
	{
		strYear = '20' + strYear;
	}
// US style
	if (strDatestyle == "US") 
	{
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday)) 
	{
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth)) 
		{
			for (i = 0;i<12;i++) 
			{
				if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) 
				{
					intMonth = i+1;
					strMonth = strMonthArray[i];
					i = 12;
			   }
			}
			if (isNaN(intMonth)) 
			{
				err = 3;
				return false;
		   }
		}
		intYear = parseInt(strYear, 10);
		if (isNaN(intYear)) 
		{
			err = 4;
			return false;
		}
		if (intMonth>12 || intMonth<1) 
		{
			err = 5;
			return false;
		}
		if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) 
		{
			err = 6;
			return false;
		}
		if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) 
		{
			err = 7;
			return false;
		}
		if (intMonth == 2) 
		{
			if (intday < 1) 
			{
				err = 8;
				return false;
			}
			if (LeapYear(intYear) == true) 
			{
				if (intday > 29) 
				{
					err = 9;
					return false;
				}
			}
			else 
			{
				if (intday > 28) 
				{
					err = 10;
					return false;
				}
			}
		}
		if (strDatestyle == "US") 
		{
			datefield.value = strMonthArray[intMonth-1] + " " + intday+" " + strYear;
		}
		else 
		{
			datefield.value = intday + " " + strMonthArray[intMonth-1] + " " + strYear;
		}
	return true;
}
function LeapYear(intYear) 
{	
	if (intYear % 100 == 0) 
	{
		if (intYear % 400 == 0) 
		{ 
			return true; 
		}
	}
	else 
	{
		if ((intYear % 4) == 0) 
		{ 
			return true; 
		}
	}
	return false;
}
//--------------------------------------------------
function redirect(page, category, values, itemid, URL)
{
	document.frm.page.value		= page;
	document.frm.category.value	= category;
	document.frm.values.value	= values;
	document.frm.itemid.value	= itemid;
	document.frm.action			= URL;
	document.frm.submit();
}
function setchecked(val,ctrChkName) 
{
	with (document.forms[0]) 
	{
		len = elements.length;
		for(var ii=0; ii<len; ii++) 
		{
			if (elements[ii].name == ctrChkName) 
			{
				elements[ii].checked = val;
			}
		}
	}
}
function LTrim( value ) {
	
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
	
}

// Removes ending whitespaces
function RTrim( value ) {
	
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
	
}

// Removes leading and ending whitespaces
function trimCuong( value ) {
	
	return LTrim(RTrim(value));
	
}
//------------------------ Image Preloader-------------------------------
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];}
}