//Accepts Only AlphaCharacters
function AlphaOnly()
{
    var Key = window.event.keyCode;
    if((Key >= 65  && Key <= 90) || (Key >= 97  && Key <= 122)||Key==32)
    return true;
    return false;
}
   
//Accepts Only Numeric and Dot
function NumericDotOnly()
{
    var Key = window.event.keyCode;
    if(( Key >= 48  && Key <= 57) || Key==46 )
    return true;
    return false;
}

//Accepts Only Numeric and Colon
function NumericColonOnly()
{
    var Key = window.event.keyCode;
    if( Key >= 48  && Key <= 57 || Key==58)
    return true;
    return false;
}
//Allow Numeric and Minus Sign
function fncNumericMinus()
{
    var Key = window.event.keyCode;
    if(( Key >= 48  && Key <= 57) || Key==46 || Key==45)
    return true;
    return false;       
}

//Accepts Only Numeric
function NumericOnly()
{
    var Key = window.event.keyCode;
    if( Key >= 48  && Key <= 57)
    return true;
    return false;
}

//Allow + and Number Only
function MobileOnly()
{

    var Key = window.event.keyCode;
    if(Key >= 48  && Key <= 57 || Key == 43)
    return true;
    return false;
}

function fncNullchk(name,col,val)
{
    var j=0;
    len = trim(val).length;
    for(i=0;i<len;i++)
    {
        if (val.substr(i,1) != " ")
        j++;
    }
    if (j == 0)
    {
        if (!col.disabled)
        {
            alert("Please Enter the " + name);
            col.focus();
        }

        return false;
    }
    if (val == 0)
    {
        alert("Please Enter the Value for " + name);
        col.focus();
        return false;
    }
    return true;
}

//..........................................................................................
// FOR E-MAIL CHECK */
// Eg. emailchk(document.form.text1,document.form.text1.value) */
//..........................................................................................
function fncEmailValid(col,val)
{
    var emailPat=/^(.+)@(.+)$/
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
    var validChars="\[^\\s" + specialChars + "\]"
    var quotedUser="(\"[^\"]*\")"
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
    var atom=validChars + '+'
    var word="(" + atom + "|" + quotedUser + ")"
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
    var matchArray=val.match(emailPat)
    if (matchArray==null)
    {
        alert("E-mail address is incorrect");
        col.focus();
        return false;
    }
    var user=matchArray[1]
    var domain=matchArray[2]
    if (user.match(userPat)==null)
    {
        alert("The E-mail username doesn't seem to be valid.");
        return false;
    }
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null)
    {
        for (var i=1;i<=4;i++)
        {
            if (IPArray[i]>255)
            {
                alert("Destination IP address is invalid!")
                col.focus();
                return false
            }
            }
        return true
    }
    var domainArray=domain.match(domainPat)
    if (domainArray==null)
    {
        alert("The domain name doesn't seem to be valid.")
        col.focus();
        return false
    }
    var atomPat=new RegExp(atom,"g")
    var domArr=domain.match(atomPat)
    var len=domArr.length
    if (domArr[domArr.length-1].length<2 )
    {
       alert("The address must end in a three-letter domain, or two letter country.")
       col.focus();
       return false
    }
    if (len<2)
    {
       var errStr="This address is missing a hostname!"
       alert(errStr);
       col.focus();
       return false;
    }
    return true;
}

//..........................................................................................
//CHECK THE WHETHER FROMDATE IS LESSER THAN TODATE OR BOTH DATES CAN BE EQUAL
//..........................................................................................
function fncCompareDates(from, to)
{
    var strDay,strMonth,strYear,fromdate,todate;
    var intfromdate,inttodate;

    fromdate = from;
    todate = to;

    strDay = fromdate.substr(0,2);
    strMonth = fromdate.substr(3,2);
    strYear = fromdate.substr(6,4);
    fromdate = strYear+strMonth+strDay;

    strDay = todate.substr(0,2);
    strMonth = todate.substr(3,2);
    strYear = todate.substr(6,4);
    todate = strYear+strMonth+strDay;

    intfromdate=parseInt(fromdate, 10);
    inttodate=parseInt(todate, 10);

    if (intfromdate <= inttodate)
    {
        return true;
    }
    else
    {
        if (from.value == "" || to.value == "")
        {
            alert("Both the dates must be entered");
            return false;
        }
        else
        {
            return false;
        }
    }
}

//CHECK ALL THE CHECKBOX DEPEND ON THE STATE OF CHECKBOX SELECTION AT THE TOP
function fncCheckAllDGrid(aspCheckBoxID, checkVal)
{
    re = new RegExp(':' + aspCheckBoxID + '$'); 
   //generated controlname starts with a colon
    for(i = 0; i < document.forms[0].elements.length; i++)
    {
        elm = document.forms[0].elements[i]
        if ((elm.type == 'checkbox') && !(elm.disabled))
        {
            if (re.test(elm.name))
            {
                elm.checked = checkVal
            }
        }
    }
}

function fncUnCheckHeader(PGridId,aspCheckBoxHeaderID,checkStatus)
{           
    strCBMid=PGridId+'__ctl1_'+aspCheckBoxHeaderID
    if (checkStatus==false)
    {
        document.all(strCBMid).checked=false;
    }
}
//....................................................................................
// CHECKING WHETHER TIME IS VALID OR NOT
//10:50...............................................................................
function fncIsTimeValid(strTime)
{
    if (strTime.length != 5)
    {
        return false;
    }
    var iHour = parseInt(strTime.substring(0,2))
    var iColon = strTime.substring(2,3)
    var iMinute = parseInt(strTime.substring(3,5))
   
    if (iColon != ":")
    {
        return false;
    }
   
    if ((iHour < 0) || (iHour > 23))
    {
        return false;
    }

    if ((iMinute < 0) || (iMinute > 59))
    {
        return false;
    }
    return true;
}

//CHECKING WHETHER CHAR IS APPEARED MORE THAN ONCE IN VALUE STRING
function IsCharExist(value,Char)
{
    var status=new String(value);
    var len = status.length;
    var lCPeriodPosition = -1;

    //CHECK CHAR IS IN THE STRING   
    if (status.indexOf(Char,0)>=0)
    {
        for(var i=0;i<len;i++)
        {
            if(status.charAt(i)==Char)
            {
                lCPeriodPosition++;
            }
        }
    }
   
    if (status.indexOf(Char,0)>=0)
    {
        if (lCPeriodPosition>0)
        {
            return false;
        }
    }
   
    if (status.indexOf(Char)>=-1)
    {
        return true;
    }
}