function tellafriends(frm)
{
  //alert("hi");
	/*if(!checkValidNull(frm.vfName,"Please Enter Your Friend Name"))
        return false;	
	if(!checkValidNull(frm.friendemail,"Please  Enter Your Friend E-mail Address"))
        return false;	
	if(isValidEmail(frm.friendemail.value) != 0)
    {
        alert(isValidEmail(frm.friendemail.value));
        frm.friendemail.focus();
        return false;
    }
	if(!checkValidNull(frm.vName,"Please Enter Your Name"))
        return false;	
	if(!checkValidNull(frm.vEmail,"Please  Enter Your E-mail Address"))
        return false;
	if(isValidEmail(frm.vEmail.value) != 0)
    {
        alert(isValidEmail(frm.vEmail.value));
        frm.vEmail.focus();
        return false;
    }  
	if(frm.vEmail.value==frm.friendemail.value)
	{
		alert("Your E-mail Address and Your friends E-mail Address should not be same");
		frm.vEmail.focus();
		return false;
	}*/
	//alert(document.getElementById('vMessage').value);return false;
	//alert(document.getElementById('logflag').value);return false;
	if(document.getElementById('logflag').value==1)
	{
        if(document.getElementById('username').value=="")
        {
          alert("Please Enter Your Name");
          document.getElementById('username').focus();
          return false;
        }
        if(document.getElementById('useremail').value=="")
        {
          alert("Please Enter Your EmailId");
          document.getElementById('useremail').focus();
          return false;
        }
        if(document.getElementById('useremail').value!="")
        {
            if(isValidEmail(document.getElementById("useremail").value) != 0)
            {
                alert(isValidEmail(document.getElementById("useremail").value));
                document.getElementById("useremail").focus();
                return false;
            }
        }
        
    }
	vname=""; vfriendemail=""; index1=0;
	for(var i=0;i<5;i++)
	{
 	  nameflag=0;emailflag=0;
      
 	  if(document.getElementById("vfName"+i).value=="" && document.getElementById("friendemail"+i).value=="")
      {
        //alert("hi");return false;
        index1++;
        //alert(index1);
      }
      if(document.getElementById("vfName"+i).value!="")
      {
        vname+=document.getElementById("vfName"+i).value+",";
		nameflag=0;
      }
      
	 if(document.getElementById("vfName"+i).value=="") 
	  {
	    nameflag=1;
	  }
      if(document.getElementById("friendemail"+i).value!="")
      {
        vfriendemail+=document.getElementById("friendemail"+i).value+",";
        if(isValidEmail(document.getElementById("friendemail"+i).value) != 0)
        {
            alert(isValidEmail(document.getElementById("friendemail"+i).value));
            document.getElementById("friendemail"+i).focus();
            return false;
        }
		emailflag=0;
      }
  	  if(document.getElementById("friendemail"+i).value=="")
	  {
	    emailflag=1;
	  }
	 
	  //alert("Email Flag"+emailflag);alert("Name Flag"+nameflag);
	  if(emailflag==1&&nameflag==0)
	  {
	  	alert("Enter Email For Name "+document.getElementById("vfName"+i).value);
	  	document.getElementById("friendemail"+i).focus();
        return false;break;
	  }
	  if(emailflag==0&&nameflag==1)
	  {
	  	alert("Enter Name For Email "+document.getElementById("friendemail"+i).value);
         document.getElementById("vfName"+i).focus();
          return false;	  break;
	  }
	//return false;
    }	
	vname=vname.substring(0,vname.length-1);
	vfriendemail=vfriendemail.substring(0,vfriendemail.length-1);
	 if(index1==5)
	  {
            alert("Please Enter any one Name and Email ");
            return false;
        }
	if(document.getElementById('vMessage').value=="")
	{
      alert("Please Enter the message");
      document.getElementById('vMessage').focus();
      return false;
    }
	//alert(vname);alert(vfriendemail);
	//return false;
	vMessage=document.getElementById("vMessage").value;
	useremail=document.getElementById("useremail").value;
	username=document.getElementById("username").value;
	  //url=AJAX_URL+"ajaxfiles/tellafriend_a.php?&vfEmail="+vfriendemail+"&vfName="+vname+"&vMessage="+vMessage+"&useremail="+useremail+"&username="+username;
	var postparam = "vfEmail="+vfriendemail+"&vfName="+vname+"&vMessage="+vMessage+"&useremail="+useremail+"&username="+username;
	var url = SITE_AJAX_URL+"tellafriend_a.php";
	
	//return false;
	//alert(url);return false;
			var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
			if(window.XMLHttpRequest)
		  	{
		  		http_tell=new XMLHttpRequest();
		  		http_tell.open("post",url, true);
				http_tell.setRequestHeader("Content-Type", contentType);
			  	http_tell.onreadystatechange=handleHttpResponse_tell
			  	http_tell.send(postparam)
		  	}
			// code for IE
			else if (window.ActiveXObject)
		  	{
		  		http_tell=new ActiveXObject("Microsoft.XMLHTTP")
		    	if (http_tell)
		    	{
		    		http_tell.open("post",url, true);
					http_tell.setRequestHeader("Content-Type", contentType);
		    		http_tell.onreadystatechange=handleHttpResponse_tell
		    		http_tell.send(postparam)
		    	}

		  	}
	return false;
}

function handleHttpResponse_tell()
{
  	if (http_tell.readyState == 4)
	{
		isWorking = false;
		//alert(http_tell.responseText);//return false;
		if (http_tell.responseText.indexOf('invalid') == -1)
		{
			var xmlDocument = http_tell.responseXML;			 
			var memmsg=xmlDocument.getElementsByTagName('memmsg').item(0).firstChild.data;
			var mailstatus=xmlDocument.getElementsByTagName('mailstatus').item(0).firstChild.data;
			if(mailstatus=="1")
			{
				
				document.getElementById('sendtofriend').style.display='none';
				document.getElementById('sendmessage').style.display='';
				TB_remove();
			}	
			if(mailstatus=="0")
			{	
				if(memmsg!="---")
				{
				  alert(memmsg);
				}
			}
		}
	}
}

function checkrecexp(frm)
{

	if(!checkValidNull(frm.vEmailexp,"Please  Enter Your E-mail Address"))
        return false;
	if(isValidEmail(frm.vEmailexp.value) != 0)
    {
        alert(isValidEmail(frm.vEmailexp.value));
        frm.vEmailexp.focus();
        return false;
    }
	
	frm.submit();  
	
}