function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}


function trim(s)
{
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }
  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}


function Trim(s)
{
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }
  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}
         
function checkEmail(email) 
{
var ems="";
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))
{
return ems;
}
ems+="Invalid E-mail Address!";
return ems;                                            
}

function search_header()
{

 
  if(document.getElementById('member_search').value=="")
  {
  alert("Please Enter search keyword  ...!");
  return false;
  }
  
  if(document.getElementById('member_search').value=="Find people...")
  {
  alert(" Please Enter search keyword  ...!");
  return false;
  }
  
  document.getElementById('search_all').submit();
}

function check(e)
{
if(e.keyCode==13)
{
  var vUser_head="";
  var vPassword_head="";
  vUser_head=document.getElementById('vUsername').value;
  vPassword_head=document.getElementById('vPassword').value;
  if(vUser_head!="" && vPassword_head!="" )
  {
  document.getElementById('frmlogin').action="index.php?file=m-login_a"; 
  document.getElementById('frmlogin').submit();
  return true; 
  }else{
   document.getElementById('login_errormsg').value="1"; 
   document.getElementById('frmlogin').action="Login"; 
   document.getElementById('frmlogin').submit();
  }
}
}



function twospaces(value,length)
{
    for(i=0;i<length;i++)
    {   
        ch1=value.charAt(i);
        ch2=value.charAt(i+1);
        if(ch1==ch2 && ch1==" " && ch2==" " )
        {
          return "TWOSPACES";
        }
        
    }                             
    return "OK";
}

function alpha(value,length)
{    
    chk1="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    for(i=0;i<length;i++)
    {   
        ch1=value.charAt(i);
        if(value.charAt(0)!=' ' && value.charAt(0)!='-' && value.charAt(0)!="'")
        {
          rtn1=chk1.indexOf(ch1);
        if(rtn1==-1)
            return "NOTOK";
        }else{
            return "SPECIAL";        
        }    
    }                             
    return "OK";
}

function makefocus(element,page)
{

if(page=="Login")
{
 if(element.value=="Email")
 {
  element.value="";
  element.focus();
 }

 if(element.value=="********")
 {
  element.value="";
  element.focus();
 }
 
 }else{
 
  if(element.value=="Email")
 {
  element.value="";
  element.focus();
 }

 if(element.value=="********")
 {
  element.value="";
  element.focus();
 }
 
 
 }


}

function makefocus_header(element)
{


 if(element.value=="Email")
 {
  element.value="";
  element.focus();
 }

 if(element.value=="********")
 {
  element.value="";
  element.focus();
 }

}


var dtCh= "-";
var minYear=(new Date()).getFullYear();
var maxYear=(new Date()).getFullYear()+10;

function isInteger(s){
    var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

function stripCharsInBag(s, bag){
    var i;
    var 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)
{
    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 isDate(dtStr){
    var daysInMonth = DaysArray(12)
    var pos1=dtStr.indexOf(dtCh)
    var pos2=dtStr.indexOf(dtCh,pos1+1)
   
    var strYear=dtStr.substring(0,pos1)
    var strMonth=dtStr.substring(pos1+1,pos2)
    var strDay=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){
        alert("The date format should be : yy-mm-dd")
        return false
    }

    if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
    {
        alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
        return false
    }
    
    if (strMonth.length<1 || month<1 || month>12)
    {
        alert("Please enter a valid month")
        return false
    }
    if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
        alert("Please enter a valid day")
        return false
    }
    
    if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
    {
        alert("Please enter a valid date")
        return false
    }
return true
}

function datevalid_format(dom_object)
{
    var dt=dom_object
    if(dt.value!="")
    {
        if (isDate(dt.value)==false)
        {
            dt.focus()
            return false
        }
    }
    return true
 }
 
 
 function checkValidPhoneFormate(obj, msg)
{
    
    chk1="+.1234567890()-";
    flag=false;
    if(obj)
    {
        value=obj.value;
    //    alert(value);
        if(Trim(value)!="")
        {
            len=obj.value.length;
            for(i=0;i<len;i++)
            {
                ch1=value.charAt(i);
                rtn1=chk1.indexOf(ch1);
                if(rtn1==-1)
                    flag=true;
            }
        }
    }else{
        flag=true;
        msg='Object is not Avaible';
    }
    if(flag)
    {
        //alert(msg);
        obj.focus();
        return false;
    }
    return true;
} 

function resetform(formname)
{
    document.getElementById(formname).reset();
}