function checkpasslen(str)
{
    var ctrl = str.id;

    if (ctrl=='<%=txtMobileNumber.ClientID%>')
    {
        if((str.value.length>0)&&(str.value.length<10))
        {
            alert('Mobile Number Must be 10 digits');
            str.focus();
            return false;
        }
    }

    else(ctrl=='<%=txtTelephone.ClientID%>')
    {
        if((str.value.length>0)&&(str.value.length<10))
        {
             alert('Mobile Number Must be 10 digits');
             str.focus();
             return false;
        }
    }
}

function evalTextInput(e)
{ 
    var allow = '1234567890';
    var k;
    if((e.keyCode==46 && !document.all)||(e.keyCode==8)||(e.keyCode==9)||(e.keyCode==37 && !document.all)||(e.keyCode==39 && !document.all)||(e.keyCode==35 && !document.all)||(e.keyCode==36 && !document.all))
    {    
        return true;
    }
    k=document.all?parseInt(e.keyCode):parseInt(e.which);
    return (allow.indexOf(String.fromCharCode(k))!=-1);
    }
    function evalTextAlpha(e)
    {
    allow = ' ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
    var k;
    if((e.keyCode==46 && !document.all)||(e.keyCode==8)||(e.keyCode==9)||(e.keyCode==37 && !document.all)||(e.keyCode==39 && !document.all)||(e.keyCode==35 && !document.all)||(e.keyCode==36 && !document.all))
    {
    return true;
    }
    k=document.all?parseInt(e.keyCode):parseInt(e.which);
    return (allow.indexOf(String.fromCharCode(k))!=-1);
}