function trim(str) {
	  return str.replace(/^\s*|\s*$/g,"");
	}
	function echeck(str) {
  var at="@"
  var dot="."
  var lat=str.indexOf(at)
  var lstr=str.length
  var ldot=str.indexOf(dot)
  if (str.indexOf(at)==-1){
     alert("Invalid e-mail id")
     return false
  }

  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
     alert("Invalid e-mail id")
     return false
  }

  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
      alert("Invalid e-mail id")
      return false
  }

  if (str.indexOf(at,(lat+1))!=-1){
      alert("Invalid e-mail id")
      return false
  }

  if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
      alert("Invalid e-mail id")
      return false
  }

  if (str.indexOf(dot,(lat+2))==-1){
      alert("Invalid e-mail id")
      return false
  }
  
  if (str.indexOf(" ")!=-1){
      alert("Invalid e-mail id")
      return false
  }

  return true
}
function loginform() {

  if (trim(document.login1.email1.value)=='') {
      alert("Please  Enter Email Id");
      document.login1.email1.focus();
      return false;
  }
  if (echeck(document.login1.email1.value)==false) {
    document.login1.email1.value="";
    document.login1.email1.focus();
    return false
  }
 if (document.login1.password.value=='') {
      alert("Please Enter Password");
   document.login1.password.focus();
    return false;
  }
 
 return true;
}
function existuser() {
	
 if (document.exist.username.value=='') {
      alert("Please Enter Username");
   document.exist.username.focus();
    return false;
  }
 if (document.exist.password.value=='') {
      alert("Please Enter Password");
   document.exist.password.focus();
    return false;
  }
 
 return true;
}

function userupdate1() {
	
if (trim(document.userupdate.day.value)=='') {
      alert("Please Select Day");
      document.userupdate.day.focus();
      return false;
  }
 
 if (trim(document.userupdate.month.value)=='') {
      alert("Please Select Month");
      document.userupdate.month.focus();
      return false;
  }
 if (trim(document.userupdate.year.value)=='') {
      alert("Please Select Year");
      document.userupdate.year.focus();
      return false;
  }

   if (trim(document.userupdate.mobile.value)=='') {
      alert("Please Enter Mobile");
      document.userupdate.mobile.focus();
      return false;
  }
    if (trim(document.userupdate.address.value)=='') {
      alert("Please Enter Address");
      document.userupdate.address.focus();
      return false;
  }
    if (trim(document.userupdate.city.value)=='') {
      alert("Please Enter City");
      document.userupdate.city.focus();
      return false;
  }
    if (trim(document.userupdate.pincode.value)=='') {
      alert("Please Enter Pincode");
      document.userupdate.pincode.focus();
      return false;
  }
 
 return true;
}

function changepass() {
	
 if (document.change.newpass.value=='') {
      alert("Please Enter New Password");
   document.change.newpass.focus();
    return false;
  }
  if (document.change.newpass.value.length>14) {
      alert("Please Enter New Password within 14 characters");
	document.change.newpass.value="";
    document.change.newpass.focus();
    return false;
  }
 if (document.change.conpass.value=='') {
      alert("Please Enter Confirm Password");
      document.change.conpass.focus();
      return false;
  }
 if (document.change.conpass.value!=document.change.newpass.value) {
      alert("Password Mismatch try again..");
      document.change.conpass.focus();
    return false;
  }
 return true;
}