function refershtime()
        {
        
          var lbltimedate=document.getElementById("datetime"); 
          var objtime=new Date()  
          var objdate=calcdate()       
         // lbltimedate.innerHTML = objtime.toLocaleTimeString() + " " + objdate; 
         
          lbltimedate.innerHTML =  objdate; 
          //setTimeout("refershtime()",1000)   
          
        }
        
        

  //....................................  
  
    function NumberFilter(str,e) 
     {          /*Grabbing the unicode value of the key that was pressed*/ 
                var unicode; 
            
        try 
        {   /*IE*/ 
            unicode = e.keyCode;
              
        } 
        catch(err) 
        {    
            try 
            { /*Netscape, Mozilla, FireFox...*/ 
                 unicode = event.keyCode; 
            } 
            catch(error) 
            {  /*Other*/ 
                unicode = e.which; 
             } 
         } 
        /*if the value entered is not a unicode value between 48 and 57 return false*/ 
        
        if(unicode < 48 || unicode > 57) 
        { 
          if ((str=="Bday") && (unicode==47)) return true;                                 
          return false; 
        }  
        return true; 
     } 
     
  //.................................... 
    
    function validdate(dtControl) 
           {
                
                if (dtControl.value!="")
                {           
                  
                    var validformat=/^([1-9]|0[1-9]|[12][0-9]|3[01])\/([1-9]|0[1-9]|[1][0-2])\/([0-9][0-9]|[1][2-4][0-9][0-9])$/ 
         
                    var returnval=false
                    if (dtControl.value.search(validformat)==-1)
                        {
                            alert('(تاریخ نامعتبر (شکل صحیح:روز/ماه/سال ')        
                            dtControl.focus() 
                            return false;
                         }
                    else
                         {                          
                           var strdate=new Array()
                           
                           strdate=dtControl.value.split('/')
                           if ((parseInt(strdate[0])<0) || (parseInt(strdate[0])>31))
                               {
                                alert('روز نامعتبر')        
                                dtControl.focus() 
                                return false;
                               } 
                           if ((parseInt(strdate[1])<0) || (parseInt(strdate[1])>12))
                               {
                                alert('ماه نامعتبر')        
                                dtControl.focus() 
                                return false;
                               } 
                            if (strdate[2].length==4)
                            {
                             strdate[2]=strdate[2].substring(2,4)
                            }
                            if ((parseInt(strdate[2])<0) || (parseInt(strdate[2])>99))
                               {
                                alert('سال نامعتبر')        
                                dtControl.focus() 
                                return false;
                               }
                             if ((parseInt(strdate[1])>=7) && (parseInt(strdate[1])<=12))
                               {
                                if (parseInt(strdate[0])==31)
                                {
                                    alert('روز نامعتبر')        
                                    dtControl.focus() 
                                    return false;
                                }
                               } 
                           
                         }
                    
                    return returnval
                 }
           }
           
 //....................................    
        
  function emailcheck(str)
  {
        var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		
		if (str.indexOf(at)==-1){		  
		   return 0
		}

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

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

		 if (str.indexOf(at,(lat+1))!=-1){		    
		    return 0
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){		    
		    return 0
		 }

		 if (str.indexOf(dot,(lat+2))==-1){		    
		    return 0
		 }
		
		 if (str.indexOf(" ")!=-1){		   
		    return 0
		 }

 		 return 1
  }
  
  //.................................... 
  
    function checkemailfull(str)
    {
        var testresult
        var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
        if (filter.test(str))
        testresult=1
        else                
        testresult=0
        
        return testresult
    }

 
//.................................... 


 function enterfarsi(myfield,e)
        {
        var key;
        if (window.event)
        key = window.event.keyCode;
        else if (e)
        key = e.which;
        if (key>31)
        if (key<128)
        {
        if (window.event)
        {
        window.event.keyCode=' !"#$%،گ)(×+و-./0123456789:ك,=.؟@ِذ}ىُىلآ÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزيثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);
        }
        else if (e)
        e.which=' !"#$%،گ)(×+و-./0123456789:ك,=.؟@ِذ}ىُىلآ÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزيثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);
        }
        return true;
        }
        function enterenglish(myfield,e)
        {
        var key;
        if (window.event)
        key = window.event.keyCode;
        else if (e)
        key = e.which;
        if (key>1000)
        if (key<2000)
        {
        if (window.event)
        {        
        switch(key)
        {
        case 1588:window.event.keyCode=97;break;
        case 1584:window.event.keyCode=98;break;
        case 1586:window.event.keyCode=99;break;
        case 1740:window.event.keyCode=100;break;
        case 1579:window.event.keyCode=101;break;
        case 1576:window.event.keyCode=102;break;
        case 1604:window.event.keyCode=103;break;
        case 1575:window.event.keyCode=104;break;
        case 1607:window.event.keyCode=105;break;
        case 1578:window.event.keyCode=106;break;
        case 1606:window.event.keyCode=107;break;
        case 1605:window.event.keyCode=108;break;
        case 1574:window.event.keyCode=109;break;
        case 1583:window.event.keyCode=110;break;
        case 1582:window.event.keyCode=111;break;
        case 1581:window.event.keyCode=112;break; 
        case 1590:window.event.keyCode=113;break;
        case 1602:window.event.keyCode=114;break;
        case 1587:window.event.keyCode=115;break;
        case 1601:window.event.keyCode=116;break;
        case 1593:window.event.keyCode=117;break;
        case 1585:window.event.keyCode=118;break;
        case 1589:window.event.keyCode=119;break;
        case 1591:window.event.keyCode=120;break;
        case 1594:window.event.keyCode=121;break;
        case 1592:window.event.keyCode=122;break;      
        }
        }
        else if (e)
        {        
        switch(key)
        {
        case 1588:e.which=97;break;
        case 1584:e.which=98;break;
        case 1586:e.which=99;break;
        case 1740:e.which=100;break;
        case 1579:e.which=101;break;
        case 1576:e.which=102;break;
        case 1604:e.which=103;break;
        case 1575:e.which=104;break;
        case 1607:e.which=105;break;
        case 1578:e.which=106;break;
        case 1606:e.which=107;break;
        case 1605:e.which=108;break;
        case 1574:e.which=109;break;
        case 1583:e.which=110;break;
        case 1582:e.which=111;break;
        case 1581:e.which=112;break; 
        case 1590:e.which=113;break;
        case 1602:e.which=114;break;
        case 1587:e.which=115;break;
        case 1601:e.which=116;break;
        case 1593:e.which=117;break;
        case 1585:e.which=118;break;
        case 1589:e.which=119;break;
        case 1591:e.which=120;break;
        case 1594:e.which=121;break;
        case 1592:e.which=122;break;      
        }
        }
        }
        return true;
        }