function CheckEmail(stremail)
{
  var err;
  var str=stremail;
  var ValidChars = "0123456789.";
  var validdom   = "0123456789";
  var illegalchars="#$!%^&*();:<>+/\?|";
  var i;
  var c;
  var l;
  var n;
  var at="@";
  var dot=".";
  var lat=str.indexOf(at);
  var lstr=str.length;
  var ldot=str.indexOf(dot);

    i=0;
   c = str.charAt(i);

   if (ValidChars.indexOf(c) !=-1)
   { return false; }

   l=str.indexOf(dot)+1;
   n=str.charAt(l);

   if(n=="")
   { return false; }

   for(i=l;i<lstr;i++)
   {
     l=str.charAt(i);

         if (validdom.indexOf(l)!=-1)
         { return false; }
   }

           clen=illegalchars.length;
         for(j=0;j<clen;j++)
        {
                c=illegalchars.charAt(j);
                if(str.indexOf(c)>0)
                {
                 return false;
                }
        }

  if (str.indexOf(at)==-1){
     return false;
  }
  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
     return false;
  }
  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
      return false;
  }

   if (str.indexOf(at,(lat+1))!=-1){
      return false;
   }
   if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
      return false;
   }

   if (str.indexOf(dot,(lat+2))==-1){
      return false;
   }

   if (str.indexOf(" ")!=-1){
      return false;

   }

      return true ;
}



//----------------------------------Start AJAX code-----------------------------
/******************************************************************************/
//function name :createRequestObject
/******************************************************************************/
   function createRequestObject(){//function start
      var xmlhttp=false;
      try{ xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");  }
      catch(e){//first catch start brace
          try{
              xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
          }catch(e){//start sec catch
              xmlhttp=false;
          }    //end sec catch
      }//first catch end brace
      if(!xmlhttp && typeof XMLHttpRequest !='undefined'){
        xmlhttp=new XMLHttpRequest();
      }return xmlhttp;
    }//function end
//----------------------------------End AJAX code-----------------------------


function validate_user(){

    var bln_validate=false;
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

       //alert(document.getElementById('txtfname').value);
    //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
            var strmssg1="Fields marked with asterisk cannot be left blank.";
            var strmssg2="";

            //checking for empty textboxes
           
            if(document.getElementById('username').value==""){
                bln_validate=true;
            }else if(document.getElementById('password1').value==""){
                bln_validate=true;
            }else if(document.getElementById('password2').value==""){
                bln_validate=true;
            }else if(document.getElementById('txtemail').value==""){
                bln_validate=true;
            }else if(document.getElementById('txttrade').value==""){
                bln_validate=true;
            }else if(document.getElementById('txtcomp').value==""){
                bln_validate=true;
            }else  if(document.getElementById('txtfname').value==""){
                bln_validate=true;
            }else if(document.getElementById('txttelno').value==""){                
                 bln_validate=true;
            }else if(document.getElementById('txtmobno').value==""){                
                 bln_validate=true;            
            }else if(document.getElementById('txtfax').value==""){                 
                 bln_validate=true;            
            }
            
            if(!bln_validate){
             if((document.getElementById('password1').value.length <6) ||(document.getElementById('password1').value.length>16)){
                 strmssg1="";
                 strmssg2="Password should be more than 6 characters"
                 strmssg2+=" and less than 25 characters"
                 window.scroll(0,0)   ;
                 document.getElementById('password1').focus();
                 bln_validate=true;
             }else if(document.getElementById('password1').value!=document.getElementById('password2').value){
                window.scroll(0,0)  ;
                document.getElementById('password2').focus();
                strmssg1="";
                strmssg2="Passwords not matching";
                bln_validate=true;
              }
            }


             if(!bln_validate){
             if(document.getElementById('txtemail').value != "")
               if(CheckEmail(document.getElementById('txtemail').value)==false){
                    window.scroll(0,0)
                    document.getElementById('txtemail').focus();
                    strmssg1="";
                    strmssg2="Please enter a valid email id.";
                    bln_validate=true;
               }
             }
              if(!bln_validate){
               //check if email id is unique
                chkValueExists(document.getElementById('username').value, document.getElementById('txtemail').value);  // changed by Salvin
              }else{
                   var objerrdiv=document.getElementById('errdiv9');
                if(navigator.appName=='Microsoft Internet Explorer'){
                  objerrdiv.innerText=strmssg1+strmssg2;
                }else if(navigator.appName=='Netscape'){
                  objerrdiv.textContent=strmssg1+strmssg2;
                }

              }

              //if all textboxes are not empty, check for valid email id

 /**********************************************************************************************************************/
          /* if(bln_validate){
                if(navigator.appName=='Microsoft Internet Explorer'){
                  objerrdiv.innerText=strmssg1+strmssg2;
                }else if(navigator.appName=='Netscape'){
                  objerrdiv.textContent=strmssg1+strmssg2;
                }
                  return false;
              }else {
                alert("submitting");
                document.getElementById('save_mode').value='save';
                //document.frmcreateaccount.submit();
              } */

    }// end validate()



  function chkValueExists(username,email){
      var xmlHttp;
      var ch=0;
      var blnvalid;
       var objerrdiv=document.getElementById('errdiv9');
      var num=0;

      var strUrl= "../php/userFunctions.php?validate_username_appl=1&";
      strUrl+= "uname="+username;
      strUrl+= "&uemail="+email;   // Added by Salvin
      // alert(strUrl);

      xmlHttp=createRequestObject();
      xmlHttp.open("GET",strUrl,true);
      xmlHttp.onreadystatechange=function() {
              if(xmlHttp.readyState==4) {
                      if(xmlHttp.status==200){
                          blnvalid=xmlHttp.responseText;
                          //alert(blnvalid);
                          if(blnvalid==2){
                            if(navigator.appName=='Microsoft Internet Explorer'){
                                objerrdiv.innerText='Username already exists.Please enter another one!';
                            }else if(navigator.appName=='Netscape'){
                                objerrdiv.textContent='Username already exists.Please enter another one!';
                            }
                          }else if(blnvalid==1){   // Added By Salvin
                            if(navigator.appName=='Microsoft Internet Explorer'){
                                objerrdiv.innerText='Email already exists.Please enter another one!';
                            }else if(navigator.appName=='Netscape'){
                                objerrdiv.textContent='Email already exists.Please enter another one!';
                            }
                          }else{
                          if(navigator.appName=='Microsoft Internet Explorer'){
                              objerrdiv.innerText='';
                          }else if(navigator.appName=='Netscape'){
                              objerrdiv.textContent='';
                          }
                          document.getElementById('save_mode').value='save';
                          document.frmcreateaccount.submit();

                          // here post the form
}

                      }
              }
      }
      xmlHttp.send(null);

}

  function  showbulkdate(id){
        var ni = document.getElementById(id);
        if (ni.style.display === 'none')
             ni.style.display = 'block';
        else
             ni.style.display = 'none';
      }


    


/*==========================================================================#
# * Function for adding a Filter to an Input Field                          #
# * @param  : [filterType  ] Type of filter 0=>Alpha, 1=>Num, 2=>AlphaNum   #
# * @param  : [evt         ] The Event Object                               #
# * @param  : [allowDecimal] To allow Decimal Point set this to true        #
# * @param  : [allowCustom ] Custom Characters that are to be allowed       #
#==========================================================================*/
function filterInput(filterType, evt, allowDecimal, allowCustom){
    var keyCode, Char, inputField, filter = '';
    var alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    var num   = '0123456789';
    // Get the Key Code of the Key pressed if possible else - allow
    if(window.event){
        keyCode = window.event.keyCode;
        evt = window.event;
    }else if (evt)keyCode = evt.which;
    else return true;
    // Setup the allowed Character Set
    if(filterType == 0) filter = alpha;
    else if(filterType == 1) filter = num;
    else if(filterType == 2) filter = alpha + num;
    if(allowCustom)filter += allowCustom;
    if(filter == '')return true;
    // Get the Element that triggered the Event
    inputField = evt.srcElement ? evt.srcElement : evt.target || evt.currentTarget;
    // If the Key Pressed is a CTRL key like Esc, Enter etc - allow
    if((keyCode==null) || (keyCode==0) || (keyCode==8) || (keyCode==9) || (keyCode==13) || (keyCode==27) )return true;
    // Get the Pressed Character
    Char = String.fromCharCode(keyCode);
    // If the Character is a number - allow
    if((filter.indexOf(Char) > -1)) return true;
    // Else if Decimal Point is allowed and the Character is '.' - allow
    else if(filterType == 1 && allowDecimal && (Char == '.') && inputField.value.indexOf('.') == -1)return true;
    else return false;
}


function ReverseDisplay(d) 
 {
    if(document.getElementById(d).style.display == "none") { 
          document.getElementById(d).style.display = "block";
          document.getElementById('divform').style.display = "none";
    }
    else { 
        document.getElementById(d).style.display = "none"; 
        document.getElementById('divform').style.display = "block";
        
    }
 }