// JavaScript Document
function cconfirm_validation(rows)
{
	if(rows ==1)
	{
	var checkcon=document.formnew.txtQue.value;
	if(checkcon=="" )
	{
		alert ("please enter the Lesson Details");
		 document.formnew.txtQue.focus();
		 return false;
	}
	}
	else
	{
    for(var index=0;index<rows;index++)
	{
	var checkcon=document.formnew.txtQue[index].value;
	if(checkcon=="" )
	{
		alert ("please enter the Lesson Details");
		 document.formnew.txtQue[index].focus();
		 return false;
	}
	}
	}
}
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 s_show(){return false}
function s_hide(){return false}
if(window.event+''=='undefined')event=0

function showtier(levid){
	window.location.href = "level.php?levelid="+levid+"";
}

function poplinks(url)
{
	newwindow=window.open(url,'ImageDisplay','height=400,width=600,left=0,top=0,resizable=yes,scrollbars=yes');
	if (window.focus) {newwindow.focus()}
}

function showsubcateg(x){
	window.location.href = "level.php?catname="+x;
}
function showsubsubcateg(x,y){
	window.location.href = "level.php?catname="+y+"&subcatname="+x;
}

function showsubsubsubcateg(x,y,z){
	window.location.href = "level.php?catname="+z+"&subcatname="+y+"&subcatname1="+x;
}
function showsubsubsubcateg1(w,x,y,z){
	window.location.href = "level.php?catname="+z+"&subcatname="+y+"&subcatname1="+x+"&subcatname2="+w;
}
function searchguide_validation()
{
      if (document.form.levelid.value == "" )
		 { 
			 alert ("Please Choose The Level");
			 document.form.levelid.focus();
			 return false;
		 }
      if (document.form.subjectid.value == "" )
		 { 
			 alert ("Please Choose The Subject");
			 document.form.subjectid.focus();
			 return false;
		 }
}
//Script validation for displaying the City list in the given state
var lists=new Array();
var lists1=new Array();
var centers=new Array();
var emptycenters=new Array();
emptycenters[0]	= new Array('Choose','Choose');

function emptyList(box) 
{
	while (box.options.length) box.options[0] = null;
}

function fillList( box, arr ) 
{
	//alert(arr);
	for ( i = 0; i < arr[0].length; i++ ) 
	{
		opton = new Option( arr[0][i], arr[0][i+1] );
		box.options[box.length] = opton;
		i=i+1;
	}
	box.selectedIndex=0;
}

function changeList(box) 
{
	//alert(box);
	//alert(lists[box.options[box.selectedIndex].value]);
	list = lists[box.options[box.selectedIndex].value];
	if(box.options[box.selectedIndex].value != "select" && box.options[box.selectedIndex].value != "Choose" && box.options[box.selectedIndex].value != "")
	{
		emptyList(box.form.subject);
		fillList(box.form.subject, list );
	}
}
function changeState(box) 
{
	//alert(lists[box.options[box.selectedIndex].value]);
	newonw = lists[box.options[box.selectedIndex].value];
	if(box.options[box.selectedIndex].value != "select" && box.options[box.selectedIndex].value != "Choose" && box.options[box.selectedIndex].value != "")
	{
		emptyList(box.form.tierid);
		fillList(box.form.tierid, newonw );

		emptyList(box.form.subject);
		fillList(box.form.subject, emptycenters );

	}
}

function changeSubject(box) 
{
	//alert(lists1[box.options[box.selectedIndex].value]);
	cty = lists1[box.options[box.selectedIndex].value];
	if(box.options[box.selectedIndex].value != "select" && box.options[box.selectedIndex].value != "Choose")
	{
		emptyList(box.form.subject);
		fillList(box.form.subject, cty );

	}
}
function changePrice(box) 
{
var newval=document.form1.subject.value;
						var splitval=newval.split("<>");
						var valid2=splitval[1];
						//alert(valid2);
						//if(isNaN(valid2))
						document.form1.txtPrice.value=valid2;
}

function askquestion_validation()
{
	 var firstname = document.form1.levelid.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Level");
	 document.form1.levelid.focus();
	 return false;
	 }
	 var firstname = document.form1.tierid.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Tier");
	 document.form1.tierid.focus();
	 return false;
	 }
	 var firstname = document.form1.subject.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Subject Name");
	 document.form1.subject.focus();
	 return false;
	 }
	 var firstname = document.form1.txtPrice.value;
	 if (firstname == "" )
	 { 
	 alert ("Please Enter the Price");
	 document.form1.txtPrice.focus();
	 return false;
	 }	
	  if (isNaN(firstname))
	 { 
	 alert ("Price must be numeric");
	 document.form1.txtPrice.focus();
	 return false;
	 }	
	 var firstname = document.form1.txtQuestion.value;
	 if (firstname == "" )
	 { 
	 alert ("Please Enter the Question");
	 document.form1.txtQuestion.focus();
	 return false;
	 }	
}
function addhomework_validation()
{
	 var firstname = document.addform.levelid.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Level");
	 document.addform.levelid.focus();
	 return false;
	 }
	 var firstname = document.addform.typeid.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Type");
	 document.addform.typeid.focus();
	 return false;
	 }
	 var firstname = document.addform.intduration.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Duration");
	 document.addform.intduration.focus();
	 return false;
	 }
	 var firstname = document.addform.intpages.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the page");
	 document.addform.intpages.focus();
	 return false;
	 }
	 var firstname = document.addform.subject.value;
	 if (firstname == "Choose" )
	 { 
	 alert ("Please Choose the Subject Name");
	 document.addform.subject.focus();
	 return false;
	 }
	 var firstname = document.addform.txtPrice.value;
	 if (firstname == "" )
	 { 
	 alert ("Please Enter the Price");
	 document.addform.txtPrice.focus();
	 return false;
	 }	
	  if (isNaN(firstname))
	 { 
	 alert ("Price must be numeric");
	 document.addform.txtPrice.focus();
	 return false;
	 }	
	 var firstname = document.addform.txtQuestion.value;
	 if (firstname == "" )
	 { 
	 alert ("Please Enter the Question");
	 document.addform.txtQuestion.focus();
	 return false;
	 }	
}
//script for add more images in image field
function insertMoreImageUpload1() 
{ 
	var nUploads = parseInt(document.getElementById('NumberOfImgUploads').value)+1;		 
	var tbody = document.getElementById("tabImgUpload").getElementsByTagName("tbody")[1]; 
	var row = document.createElement("TR"); 
	var cell1 = document.createElement("TD");
	cell1.setAttribute("valign","top");
	cell1.setAttribute("align","right");
	cell1.setAttribute("width","23%");
	row.className="txtcontent";
	//cell1.setAttribute("style", "font-family:Verdana, Arial, Helvetica, sans-serif; font-size:8px; font-weight:normal; color:#006589;");	
	cell1.innerHTML = "File &nbsp;"+nUploads;

	//insert second <td>
		var cell3 = document.createElement("TD");
	cell3.setAttribute("valign","top");
	cell3.setAttribute("align","right");
	cell3.setAttribute("width","1%");
		//insert third <td>
	var cell2 = document.createElement("TD");
	cell2.setAttribute("align","left");
	cell2.setAttribute("width","37%");
	//File
	var eInput = document.createElement("INPUT"); 
	eInput.setAttribute("type","file");
	eInput.setAttribute("name","txtImage" + nUploads);
	eInput.setAttribute("id","txtImage" + nUploads);
	eInput.setAttribute("style", "border:1px solid #666666; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10px; font-weight:normal; color:#000000;");	
	cell2.appendChild(eInput);
	// append all <td> to <tr>
	
var cell4 = document.createElement("TD");
	cell4.setAttribute("valign","top");
	cell4.setAttribute("align","right");
	cell4.setAttribute("width","14%");
	row.className="txtcontent";
	//cell1.setAttribute("style", "font-family:Verdana, Arial, Helvetica, sans-serif; font-size:8px; font-weight:normal; color:#006589;");	
	cell4.innerHTML = "Description &nbsp;"+nUploads;
	
	var cell5 = document.createElement("TD");
	cell5.setAttribute("align","left");
	cell5.setAttribute("width","25%");
	//File
	var eInput = document.createElement("INPUT"); 
	eInput.setAttribute("type","text");
	eInput.setAttribute("name","txtDesc" + nUploads);
	eInput.setAttribute("id","txtDesc" + nUploads);
	eInput.setAttribute("style", "border:1px solid #666666; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10px; font-weight:normal; color:#000000;");	
	cell5.appendChild(eInput)
	
	
		row.appendChild(cell1); 
		row.appendChild(cell3); 
		row.appendChild(cell2); 
		row.appendChild(cell4); 
		row.appendChild(cell5); 
	tbody.appendChild(row);
	document.form1.NumberOfImgUploads.value = nUploads;
	return false;
}
function insertMoreImageUpload2() 
{ 
	var nUploads = parseInt(document.getElementById('NumberOfImgUploads').value)+1;		 
	var tbody = document.getElementById("tabImgUpload").getElementsByTagName("tbody")[1]; 
	var row = document.createElement("TR"); 
	var cell1 = document.createElement("TD");
	cell1.setAttribute("valign","top");
	cell1.setAttribute("align","right");
	cell1.setAttribute("width","23%");
	row.className="txtcontent";
	//cell1.setAttribute("style", "font-family:Verdana, Arial, Helvetica, sans-serif; font-size:8px; font-weight:normal; color:#006589;");	
	cell1.innerHTML = "File &nbsp;"+nUploads;

	//insert second <td>
		var cell3 = document.createElement("TD");
	cell3.setAttribute("valign","top");
	cell3.setAttribute("align","right");
	cell3.setAttribute("width","1%");
		//insert third <td>
	var cell2 = document.createElement("TD");
	cell2.setAttribute("align","left");
	cell2.setAttribute("width","37%");
	//File
	var eInput = document.createElement("INPUT"); 
	eInput.setAttribute("type","file");
	eInput.setAttribute("name","txtImage" + nUploads);
	eInput.setAttribute("id","txtImage" + nUploads);
	eInput.setAttribute("style", "border:1px solid #666666; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10px; font-weight:normal; color:#000000;");	
	cell2.appendChild(eInput);
	// append all <td> to <tr>
	
var cell4 = document.createElement("TD");
	cell4.setAttribute("valign","top");
	cell4.setAttribute("align","right");
	cell4.setAttribute("width","14%");
	row.className="txtcontent";
	//cell1.setAttribute("style", "font-family:Verdana, Arial, Helvetica, sans-serif; font-size:8px; font-weight:normal; color:#006589;");	
	cell4.innerHTML = "Description &nbsp;"+nUploads;
	
	var cell5 = document.createElement("TD");
	cell5.setAttribute("align","left");
	cell5.setAttribute("width","25%");
	//File
	var eInput = document.createElement("INPUT"); 
	eInput.setAttribute("type","text");
	eInput.setAttribute("name","txtDesc" + nUploads);
	eInput.setAttribute("id","txtDesc" + nUploads);
	eInput.setAttribute("style", "border:1px solid #666666; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10px; font-weight:normal; color:#000000;");	
	cell5.appendChild(eInput)
	
	
		row.appendChild(cell1); 
		row.appendChild(cell3); 
		row.appendChild(cell2); 
		row.appendChild(cell4); 
		row.appendChild(cell5); 
	tbody.appendChild(row);
	document.addform.NumberOfImgUploads.value = nUploads;
	return false;
}
function availability_vaildation()
{
var currentTime = new Date();
var currentTime = new Date()
var month = currentTime.getMonth()+1;
if (month<10)
	month="0"+month;

var day = currentTime.getDate();
if (day<10)
	day="0"+day;
	
var year = currentTime.getFullYear();
var fullyear=year + "-" + month + "-" + day;
//alert(fullyear);
txtCourse="";
		 txtCourseLength = document.availability_form.DATENAMEOF.length;
		//len=document.teachers.LevelHidden.length;
			var i=0;
		if(txtCourseLength > 1)
		{
			for(CourseIndex = 0; CourseIndex < txtCourseLength; CourseIndex++ )
			{
				if(document.availability_form.DATENAMEOF[CourseIndex].checked == false)
				{
					i=i+1;
				}
			}
			if(i==txtCourseLength)
			{
				alert("Please select Availability time");
				return false;
			}
			else
			{
			j=0;
			count=0;var newdate;var newcount=0;
			for(CourseIndex = 0; CourseIndex < txtCourseLength; CourseIndex++ ){
				if(document.availability_form.DATENAMEOF[CourseIndex].checked == true){
					j=j+1;
					var newval=document.availability_form.DATENAMEOF[CourseIndex].value;
					count=count+1;
						var splitval=newval.split("_");
						var valid1=splitval[0];
						var valid2=splitval[1];
						var valid3=splitval[2];
						var valid4=splitval[3];
						if(count != 1)
						{
						if(valid2 != newdate)
						{
							newcount=newcount+1;
							}
						}
						 newdate=splitval[1];
					}
				}
				if(count < 2)
				{
				alert("You must choose atleast 1 hour duration");
				return false;
				}
				if(newcount != 0)
				{
				alert("You must book the lesson in one day");
				return false;
				}				
			}
		}
	
}
//////Student Registration
function registervalid()
{

var stfname=document.students.stfname.value;
if(stfname=="")
{
 alert ("Please enter the First Name");
	 document.students.stfname.focus();
	 return false;
}
if(!(isNaN(stfname)))
{
 alert ("Please enter letter");
	 document.students.stfname.focus();
	 return false;
}
if(document.students.stfname.value.length<3 )
{
alert ("please enter Must be more than 3 letters");
	 document.students.stfname.focus();
	 return false;
}
var stlname=document.students.stlname.value;
if(stlname=="")
{
 alert ("Please enter the Last Name");
	 document.students.stlname.focus();
	 return false;
}
if(!(isNaN(stlname)))
{
 alert ("Please enter letter");
	 document.students.stlname.focus();
	 return false;
}

if(document.students.stlname.value.length < 3 )
{
alert ("please enter Must be more than 3 letters");
	 document.students.stlname.focus();
	 return false;
}

var mobile=document.students.mobile.value;
if(mobile=="")
{
 alert ("Please enter the Mobile number");
	 document.students.mobile.focus();
	 return false;
}
if(document.students.mobile.value.length < 11 )
{
alert ("please enter must be minimum 11 digits ");
	 document.students.mobile.focus();
	 return false;
}
if((isNaN(mobile)))
{
 alert ("Please enter number");
	 document.students.mobile.focus();
	 return false;
}
var phone=document.students.phone.value;
if(phone=="")
{
 alert ("Please enter the phone number");
	 document.students.phone.focus();
	 return false;
}
if(document.students.phone.value.length < 11 )
{
alert ("please enter must be minimum 11 digits ");
	 document.students.phone.focus();
	 return false;
}
if((isNaN(phone)))
{
 alert ("Please enter number");
	 document.students.phone.focus();
	 return false;
}


if(document.students.email.value=="" )
{
alert ("please enter emaill address");
	 document.students.email.focus();
	 return false;
}
 if (!validateEmail(document.students.email.value,1,1)) 
		 {
		 document.students.email.focus();
		 return false;
		 }
if(document.students.username.value=="" )
{
alert ("please enter the User Name");
	 document.students.username.focus();
	 return false;
}
if(document.students.username.value.length < 4 )
{
alert ("Length must be greater than 3");
	 document.students.username.focus();
	 return false;
}

if(document.students.password.value=="" )
{
alert ("please enter the Password");
	 document.students.password.focus();
	 return false;
}
if(document.students.password.value.length < 4 )
{
alert ("Length must be greater than 3");
	 document.students.password.focus();
	 return false;
}

}
/////////Login Validation
function login_validate()
{
	
if(document.Frmlogin.txtUsername.value=="" )
{
alert ("please enter the User Name");
	 document.Frmlogin.txtUsername.focus();
	 return false;
}
if(document.Frmlogin.txtPassword.value=="" )
{
alert ("please enter the Password");
	 document.Frmlogin.txtPassword.focus();
	 return false;
}
}

/////////Login Validation
function login_validate1()
{
	
if(document.Frmlogin1.txtUsername.value=="" )
{
alert ("please enter the User Name");
	 document.Frmlogin1.txtUsername.focus();
	 return false;
}
if(document.Frmlogin1.txtPassword.value=="" )
{
alert ("please enter the Password");
	 document.Frmlogin1.txtPassword.focus();
	 return false;
}
}

/////////Find Tutor Validation
function user_find_validation()
{
if(document.frm_tutor1.levelid.value=="" )
{
alert ("please Choose the Level");
	 document.frm_tutor1.levelid.focus();
	 return false;
}
if((document.frm_tutor1.subject.value=="") || (document.frm_tutor1.subject.value=="Choose"))
{
alert ("please Choose Subject");
	 document.frm_tutor1.subject.focus();
	 return false;
}
}

/////////Find Tutor Validation
function user_find_publicvalidation()
{
if(document.frm_tutornew.levelid.value=="" )
{
alert ("please Choose the Level");
	 document.frm_tutornew.levelid.focus();
	 return false;
}
if((document.frm_tutornew.subject.value=="") || (document.frm_tutor1.subject.value=="Choose"))
{
alert ("please Choose Subject");
	 document.frm_tutornew.subject.focus();
	 return false;
}
}


function validateEmail(addr,man,db) {
	if (addr == '' && man) {
	   if (db) alert('Email address is mandatory');
	   return false;
	}
	var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
	for (i=0; i<invalidChars.length; i++) {
	   if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
		  if (db) alert('Email address contains invalid characters');
		  return false;
	   }
	}
	for (i=0; i<addr.length; i++) {
	   if (addr.charCodeAt(i)>127) {
		  if (db) alert("Email address contains non ascii characters.");
		  return false;
	   }
	}
	var atPos = addr.indexOf('@',0);
	if (atPos == -1) {
	   if (db) alert('Email address must contain an @');
	   return false;
	}
	if (atPos == 0) {
	   if (db) alert('Email address must not start with @');
	   return false;
	}
	if (addr.indexOf('@', atPos + 1) > - 1) {
	   if (db) alert('Email address must contain only one @');
	   return false;
	}
	if (addr.indexOf('.', atPos) == -1) {
	   if (db) alert('Email address must contain a period in the domain name');
	   return false;
	}
	if (addr.indexOf('@.',0) != -1) {
	   if (db) alert('period must not immediately follow @ in email address');
	   return false;
	}
	if (addr.indexOf('.@',0) != -1){
	   if (db) alert('period must not immediately precede @ in email address');
	   return false;
	}
	if (addr.indexOf('..',0) != -1) {
	   if (db) alert('two periods must not be adjacent in email address');
	   return false;
	}
	var suffix = addr.substring(addr.lastIndexOf('.')+1);
	if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
	   if (db) alert('invalid primary domain in email address');
	   return false;
	}
return true;
}

//////Student Registration
function editregistervalid()
{

var stfname=document.students.stfname.value;
if(stfname=="")
{
 alert ("Please enter the First Name");
	 document.students.stfname.focus();
	 return false;
}
if(!(isNaN(stfname)))
{
 alert ("Please enter letter");
	 document.students.stfname.focus();
	 return false;
}
if(document.students.stfname.value.length<3 )
{
alert ("please enter Must be more than 3 letters");
	 document.students.stfname.focus();
	 return false;
}
var stlname=document.students.stlname.value;
if(stlname=="")
{
 alert ("Please enter the Last Name");
	 document.students.stlname.focus();
	 return false;
}
if(!(isNaN(stlname)))
{
 alert ("Please enter letter");
	 document.students.stlname.focus();
	 return false;
}

if(document.students.stlname.value.length < 3 )
{
alert ("please enter Must be more than 3 letters");
	 document.students.stlname.focus();
	 return false;
}
var stlname=document.students.addr.value;
if(stlname=="")
{
 alert ("Please enter the Address");
	 document.students.addr.focus();
	 return false;
}
var stlname=document.students.city.value;
if(stlname=="")
{
 alert ("Please enter the City");
	 document.students.city.focus();
	 return false;
}
var stlname=document.students.state.value;
if(stlname=="")
{
 alert ("Please enter the State");
	 document.students.state.focus();
	 return false;
}
var stlname=document.students.country.value;
if(stlname=="")
{
 alert ("Please Choose the Country");
	 document.students.country.focus();
	 return false;
}
var stlname=document.students.postcode.value;
if(stlname=="")
{
 alert ("Please enter the Zip Code");
	 document.students.postcode.focus();
	 return false;
}

/*var mobile=document.students.mobile.value;
if(mobile=="")
{
 alert ("Please enter the Mobile number");
	 document.students.mobile.focus();
	 return false;
}
if(document.students.mobile.value.length < 11 )
{
alert ("please enter must be minimum 11 digits ");
	 document.students.mobile.focus();
	 return false;
}
if((isNaN(mobile)))
{
 alert ("Please enter number");
	 document.students.mobile.focus();
	 return false;
}*/
var phone=document.students.phone.value;
if(phone=="")
{
 alert ("Please enter the phone number");
	 document.students.phone.focus();
	 return false;
}
if(document.students.phone.value.length < 11 )
{
alert ("please enter must be minimum 11 digits ");
	 document.students.phone.focus();
	 return false;
}
if((isNaN(phone)))
{
 alert ("Please enter number");
	 document.students.phone.focus();
	 return false;
}


if(document.students.email.value=="" )
{
alert ("please enter emaill address");
	 document.students.email.focus();
	 return false;
}
 if (!validateEmail(document.students.email.value,1,1)) 
		 {
		 document.students.email.focus();
		 return false;
		 }
if(document.students.username.value=="" )
{
alert ("please enter the User Name");
	 document.students.username.focus();
	 return false;
}
if(document.students.username.value.length < 4 )
{
alert ("Length must be greater than 3");
	 document.students.username.focus();
	 return false;
}

if(document.students.password.value=="" )
{
alert ("please enter the Password");
	 document.students.password.focus();
	 return false;
}
if(document.students.password.value.length < 4 )
{
alert ("Length must be greater than 3");
	 document.students.password.focus();
	 return false;
}

}

//////Student Registration
function trialregistervalid()
{

var stfname=document.students.stfname.value;
if(stfname=="")
{
 alert ("Please enter the First Name");
	 document.students.stfname.focus();
	 return false;
}
if(!(isNaN(stfname)))
{
 alert ("First Name Must Contain Letter");
	 document.students.stfname.focus();
	 return false;
}
if(document.students.stfname.value.length<3 )
{
alert ("First Name Must be more than 3 letters");
	 document.students.stfname.focus();
	 return false;
}
var stlname=document.students.stlname.value;
if(stlname=="")
{
 alert ("Please enter the Last Name");
	 document.students.stlname.focus();
	 return false;
}
if(!(isNaN(stlname)))
{
 alert ("Last Name Must Contain Letter");
	 document.students.stlname.focus();
	 return false;
}

if(document.students.stlname.value.length < 3 )
{
alert ("Last Name Must be more than 3 letters");
	 document.students.stlname.focus();
	 return false;
}

var mobile=document.students.mobile.value;
if(mobile=="")
{
 alert ("Please enter the Mobile number");
	 document.students.mobile.focus();
	 return false;
}
if((isNaN(mobile)))
{
 alert ("Mobile number Must be Numberic");
	 document.students.mobile.focus();
	 return false;
}
if(document.students.mobile.value.length < 11 )
{
alert ("Mobile number must be minimum 11 digits ");
	 document.students.mobile.focus();
	 return false;
}
var phone=document.students.phone.value;
if(phone=="")
{
 alert ("Please enter the Home Telephone number");
	 document.students.phone.focus();
	 return false;
}
if(document.students.phone.value.length < 11 )
{
alert ("Home Telephone number must be minimum 11 digits ");
	 document.students.phone.focus();
	 return false;
}
if((isNaN(phone)))
{
 alert ("Home Telephone number Must Be Numeric");
	 document.students.phone.focus();
	 return false;
}


if(document.students.email.value=="" )
{
alert ("Please enter emaill address");
	 document.students.email.focus();
	 return false;
}
 if (!validateEmail(document.students.email.value,1,1)) 
		 {
		 document.students.email.focus();
		 return false;
		 }
if(document.students.levelid.value=="" )
{
alert ("Please Choose the Level of trail lesson");
	 document.students.levelid.focus();
	 return false;
}
if((document.students.subject.value==""))
{
alert ("Please Choose Subject of trail lesson");
	 document.students.subject.focus();
	 return false;
}
txtCourse="";
		 txtCourseLength = document.students.USERS.length;
		 var i=0;
		if(txtCourseLength > 1){
			for(CourseIndex = 0; CourseIndex < txtCourseLength; CourseIndex++ ){
				if(document.students.USERS[CourseIndex].checked == false){
					i=i+1;
				}
			}
			if(i==txtCourseLength)
			{
				alert("Please select Preferred atleast one");
				return false;
			}	
		}
if((document.students.txtDateTime.value=="") || (document.students.txtDateTime.value=="Please enter times and days you would be available for the trial lesson."))
{
alert ("please enter the Preferrenece Time");
	 document.students.txtDateTime.focus();
	 return false;
}
		
if(document.students.username.value=="" )
{
alert ("Please enter the User Name");
	 document.students.username.focus();
	 return false;
}
if(document.students.username.value.length < 4 )
{
alert ("User Name Length must be greater than 3");
	 document.students.username.focus();
	 return false;
}

if(document.students.password.value=="" )
{
alert ("Please enter the Password");
	 document.students.password.focus();
	 return false;
}
if(document.students.password.value.length < 4 )
{
alert ("Password Length must be greater than 3");
	 document.students.password.focus();
	 return false;
}

}


//////Student Registration
function trialvalidation()
{
if(document.students.levelid.value=="" )
{
alert ("please Choose the Level");
	 document.students.levelid.focus();
	 return false;
}
if((document.students.subject.value==""))
{
alert ("please Choose Subject");
	 document.students.subject.focus();
	 return false;
}
txtCourse="";
		 txtCourseLength = document.students.USERS.length;
		 var i=0;
		if(txtCourseLength > 1){
			for(CourseIndex = 0; CourseIndex < txtCourseLength; CourseIndex++ ){
				if(document.students.USERS[CourseIndex].checked == false){
					i=i+1;
				}
			}
			if(i==txtCourseLength)
			{
				alert("Please select Preferred atleast one");
				return false;
			}	
		}
if((document.students.txtDateTime.value=="") || (document.students.txtDateTime.value=="Please enter times and days you would be available for the trial lesson."))
{
alert ("please enter the Preferrenece Time");
	 document.students.txtDateTime.focus();
	 return false;
}
}

//////Student Registration
function edittrialvalidation()
{
txtCourse="";
		 txtCourseLength = document.students.USERS.length;
		 var i=0;
		if(txtCourseLength > 1){
			for(CourseIndex = 0; CourseIndex < txtCourseLength; CourseIndex++ ){
				if(document.students.USERS[CourseIndex].checked == false){
					i=i+1;
				}
			}
			if(i==txtCourseLength)
			{
				alert("Please select Preferred atleast one");
				return false;
			}	
		}
if((document.students.txtDateTime.value==""))
{
	alert ("please enter the Preferrenece Time");
	 document.students.txtDateTime.focus();
	 return false;
}
}

function confirmMsg(msg){
	if(!confirm(msg)){
		return false;

	} else {
		return true;

	}
}

function message_validation()
{
if((document.form1.txtMessage.value==""))
{
	alert ("please enter the Subject");
	 document.form1.txtMessage.focus();
	 return false;
}
if((document.form1.message.value==""))
{
	alert ("please enter the Message");
	 document.form1.message.focus();
	 return false;
}

}