var email;
function isValidRequestcallback()
{
  if(document.getElementById('orderphone').checked == false && document.getElementById('existorder').checked == false && document.getElementById('orderupdate').checked == false)
  {
    alert("Please select any one option");
    return false;
  }
  else
  {
    if(document.getElementById('orderphone').checked == true)
    {
      document.getElementById('msgsubject').value = document.getElementById('orderphone').value;
      document.frmrequestcallback.vCallOrderNo.value = '';
      document.frmrequestcallback.vCallOrderNo.disabled = true;
    } 
    if(document.getElementById('existorder').checked == true)
    {
      document.getElementById('msgsubject').value = document.getElementById('existorder').value
      document.frmrequestcallback.vCallOrderNo.disabled = false;
    }
    if(document.getElementById('orderupdate').checked == true)
    {
      document.getElementById('msgsubject').value = document.getElementById('orderupdate').value
      document.frmrequestcallback.vCallOrderNo.disabled = false;
    }
  } 
  if(document.getElementById('orderphone').checked == false)
  {
    if(Trim(document.frmrequestcallback.vCallOrderNo.value)=="")
  	{
  		alert("Please Enter Order No");
  		document.frmrequestcallback.vCallOrderNo.value = '';
  		document.frmrequestcallback.vCallOrderNo.focus();
  		return false;
  	}
  }
  if(Trim(document.frmrequestcallback.vCallName.value)=="")
	{
		alert("Please Enter Your Name");
		document.frmrequestcallback.vCallName.value = '';
		document.frmrequestcallback.vCallName.focus();
		return false;
	}
	if(Trim(document.frmrequestcallback.vCallEmail.value)=="")
	{
		alert("Please Enter Your Email Address");
		document.frmrequestcallback.vCallEmail.value = '';
		document.frmrequestcallback.vCallEmail.focus();
		return false;
	}
	if(!isValidEmail(document.frmrequestcallback.vCallEmail.value))
	{
		document.frmrequestcallback.vCallEmail.focus();
		return false;
	}
	if(Trim(document.frmrequestcallback.vCallHomePhone.value)=="")
	{
		alert("Please Enter Your Home Phone");
		document.frmrequestcallback.vCallHomePhone.value = '';
		document.frmrequestcallback.vCallHomePhone.focus();
		return false;
	}
	
}
function count_chars() 
{
	var max = "600";
	var txt = document.getElementById("vCallMessage").value;
	if (txt.length >= max) {
	  	alert("Message shoube of less than 600 characters");
	  	document.getElementById("vCallMessage").value = document.getElementById("vCallMessage").value.substring(0, max);
		return false;
	} 	
}
function orderdisabled()
{
  if(document.getElementById('orderphone').checked == true)
  {
    document.frmrequestcallback.vCallOrderNo.value = '';
    document.frmrequestcallback.vCallOrderNo.disabled = true;
  } 
  if(document.getElementById('existorder').checked == true)
  {
    document.frmrequestcallback.vCallOrderNo.disabled = false;
  }
  if(document.getElementById('orderupdate').checked == true)
  {
    document.frmrequestcallback.vCallOrderNo.disabled = false;
  }
}