function ValidateReg()
{
var err=0;
if(trim(document.getElementById('firstname').value)=='')
{
	document.getElementById("divfname").innerHTML="Please enter First Name.";
	document.getElementById("firstname").focus();
	err++;
}else{
   document.getElementById("divfname").innerHTML=" ";
}
if(trim(document.getElementById('lastname').value)=='')
{
		document.getElementById("divlname").innerHTML="Please enter Last Name.";
		document.getElementById("lastname").focus();
		err++;
}else{
   document.getElementById("divlname").innerHTML=" ";
}
 if(trim(document.getElementById('email').value)=='')
{
		document.getElementById("divemail").innerHTML="Please enter Email. ";
		document.getElementById("email").focus();
		err++;
}else{
   document.getElementById("divemail").innerHTML=" ";
}

if(trim(document.getElementById('pass').value)=='')
{
		document.getElementById("divpass").innerHTML="Please enter Password.";
		document.getElementById("pass").focus();
		err++;
}else{
   document.getElementById("divpass").innerHTML=" ";
}
if(trim(document.getElementById('cpass').value)=='')
{
		document.getElementById("divcpass").innerHTML="Please enter Confrim Password.";
		document.getElementById("cpass").focus();
		err++;
}else{
   document.getElementById("divcpass").innerHTML=" ";
}
if(trim(document.getElementById('u_type').value)=='')
{
		document.getElementById("divusertype").innerHTML="Please Select User Type.";
		document.getElementById("u_type").focus();
		err++;
}else{
   document.getElementById("divusertype").innerHTML=" ";
}
if(trim(document.getElementById('expdate').value)=='')
{
	  	document.getElementById("divexpdate").innerHTML="Please Select Expiry Date.";
		document.getElementById("expdate").focus();
		err++;
}else{
   document.getElementById("divexpdate").innerHTML=" ";
}

if(err==0){
	return true;
}else{
   return false
}

}
//for edit registation
function ValidateEditreg()
{
var err=0;
if(trim(document.getElementById('firstname').value)=='')
{
	document.getElementById("divfname").innerHTML="Please enter First Name.";
	document.getElementById("firstname").focus();
	err++;
}else{
   document.getElementById("divfname").innerHTML=" ";
}
if(trim(document.getElementById('lastname').value)=='')
{
		document.getElementById("divlname").innerHTML="Please enter Last Name.";
		document.getElementById("lastname").focus();
		err++;
}else{
   document.getElementById("divlname").innerHTML=" ";
}
if(trim(document.getElementById('pass').value)=='')
{
		document.getElementById("divpass").innerHTML="Please enter Password.";
		document.getElementById("pass").focus();
		err++;
}else{
   document.getElementById("divpass").innerHTML=" ";
}
if(trim(document.getElementById('u_type').value)=='')
{
		document.getElementById("divusertype").innerHTML="Please Select User Type.";
		document.getElementById("u_type").focus();
		err++;
}else{
   document.getElementById("divusertype").innerHTML=" ";
}
if(err==0){
	return true;
}else{
   return false
}

}

// for login
function checklogin()
{
	var errflag=0;

	if(trim(document.getElementById('text_username').value)=='')
	{
		document.getElementById('txtdiv').innerHTML="Please enter username.";
		errflag=1;
	}
	else	
	{
		document.getElementById('txtdiv').innerHTML="";
	}


	if(trim(document.getElementById('text_password').value)=='')
	{	
		document.getElementById('passdiv').innerHTML="Please enter password.";
		errflag=1;
	}
	else	
	{
		document.getElementById('passdiv').innerHTML="";
	}

	
	if(errflag==0)
	{
		return true;
	}
	else
	{
		return false;

	}

}
//for change password 
function ValidateChangpass()
{
	var errflag=0;

	if(trim(document.getElementById('pass').value)=='')
	{
		document.getElementById('divpass').innerHTML="Please enter Password.";
		errflag=1;
	}
	else	
	{
		document.getElementById('divpass').innerHTML="";
	}


	if(trim(document.getElementById('cpass').value)=='')
	{	
		document.getElementById('divcpass').innerHTML="Please enter Confrim Password.";
		errflag=1;
	}
	else	
	{
		document.getElementById('divcpass').innerHTML="";
	}

	if(trim(document.getElementById('pass').value)!=trim(document.getElementById('cpass').value))
	{	
		document.getElementById('divcon').innerHTML="Please enter Password and  Confrim Password shuld be same .";
		errflag=1;
	}
	else	
	{
		document.getElementById('divcon').innerHTML="";
	}

	if(errflag==0)
	{
		return true;
	}
	else
	{
		return false;

	}

}
//for forget password
function checkForgetpass()
{
var err=0;

 if(trim(document.getElementById('email').value)=='')
{
		document.getElementById("divcon").innerHTML="Please enter Login Name(Email ID) . ";
		document.getElementById("email").focus();
		err++;
}else{
   document.getElementById("divcon").innerHTML=" ";
}
						
	if(err==0){
		return true;
	}else{
	   return false
	}
}
//check email id exits or not 
function checkemail()
			{
				var err=0;
				if(trim(document.getElementById('email').value).length<6)
					{
						document.getElementById('divemail').innerHTML='Please specify your Email Id.';
						 err++;
					}
				 else
					{
					document.getElementById('divemail').innerHTML='';
										
					}
				if(trim(document.getElementById("email").value)!="")
						{
						var email_flag=true;
						var str=document.getElementById('email').value;
						var at='@'
						var dot='.'
						var lat=str.indexOf(at)
						var lstr=str.length
						var ldot=str.indexOf(dot)
						if (str.indexOf(at)==-1){
						   document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
						   document.getElementById("email").focus();
							email_flag=false;
						   err++;
						}
				
						if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
						   document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
						   document.getElementById("email").focus();
							email_flag=false;
						   err++;
						}
				
						if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
							document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
							document.getElementById("email").focus();
							 email_flag=false;
							err++;
						}
				
						 if (str.indexOf(at,(lat+1))!=-1){
							document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
							document.getElementById("email").focus();
							 email_flag=false;
							err++;
						 }
				
						 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
							document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
							document.getElementById("email").focus();
							 email_flag=false;
							err++;
						 }
						 if (str.indexOf(dot,(lat+2))==-1){
							document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
							document.getElementById("email").focus();
							 email_flag=false;
							err++;
						 }
						
						 if (str.indexOf(' ')!=-1){
							document.getElementById("divemail").innerHTML="<font color='red'>Invalid E-mail ID</font>";
							document.getElementById("email").focus();
							email_flag=false;
							err++;
						 }	
						
						
					if(err==0){
					
					 var name = document.getElementById("email").value;
					 http.open("GET","ajax_checkemail.php?action=email&email="+name , true);		  
					 http.onreadystatechange = handleHttpResponse;
				     http.send(null);
					  return true;
					 
					}else{
					   return false
					}	
				 
			  }
			}
//ajex function 

function handleHttpResponse() {
  if (http.readyState == 4) {
    results = http.responseText;
    var name = document.getElementById("email").value;
    if(results == "") 
	results = ""; 
    // the div in which the message appears
    document.getElementById('divemail').innerHTML = results;
  }
}

function getHTTPObject() {
  var xmlhttp;
 
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object

//Function for check delete record or no
function checkDelete()
{
	var flag = confirm("Are you sure to delete this record");
	if(flag == true)
	{
		return true;
	}
	else
	{
		return false;
	}
}
//Function for check delete record or no
function checkDeleteAll()
{
	var flag = confirm("Are you sure wants to cleare all records");
	if(flag == true)
	{
		return true;
	}
	else
	{
		return false;
	}
}
//Function for insert records in to database
function checkedit()
{
	var flag = confirm("Would you like update this records before saving");
	if(flag == true)
	{
		var con=CheckValue();
		if(con==true){
			return true;
		}else{
		  return false;	
		}
	}
	else
	{
		return true;
	}
}
//Function for search records
function validesearch(){
	var err=0;
	if(trim(document.getElementById('txtsearch').value)=='')
	{
		document.getElementById("divserch").innerHTML="Please enter search keyword.";
		document.getElementById("txtsearch").focus();
		err++;
	}else{
   document.getElementById("divserch").innerHTML=" ";
   }
if(err==0){
	return true;
	}else{
   return false
  }
	
}
//Removes left whitespaces
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 trim( value ) {	
	return LTrim(RTrim(value));	
}

//Check for Expiry date 

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

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++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function check_date(dtStr)
{
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1)
	{
		document.getElementById('divexpdate').innerHTML='The date format should be : mm-dd-yyyy';		
		return false
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		document.getElementById('divexpdate').innerHTML='Please enter a valid month';		
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		document.getElementById('divexpdate').innerHTML='Please enter a valid day';			
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{		
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{
		document.getElementById('divexpdate').innerHTML='Please enter a valid date';	
		return false
	}
return true
}