function check(form,x)
{
	x = x - 1
	var msg = ""
	for (var i = 0; i <= x; i++)
	{
		var messenger = form.elements[i].name
		messenger = messenger.substring(0, 2)
		var fieldname = form.elements[i].name
		fieldname = fieldname.substring(2)
	
			{
				if (messenger == "r_" && form.elements[i].value == '') msg = form.warning.value;
			}
	}
	if(msg)
	{
		alert( msg );
		return false;
	}else return true;
}
function dropdowncheck(thisform)
{
	// place any other field validations that you require here
	// validate myradiobuttons
	myOption = -1;
	for (i=thisform.mail_type.length-1; i > -1; i--) {
		if (thisform.mail_type[i].checked) {
		myOption = i;
		}
	}

	if(myOption != -1) { 
		if(thisform.mail_type[myOption].value == 'dropdown') {
			document.getElementById("hideornot").style.display="block";
		}else{
			document.getElementById("hideornot").style.display="none";
		}
	}
}
function calcHeight()
{
  //find the height of the internal page
  var the_height=
    document.getElementById('the_iframe').contentWindow.
      document.body.scrollHeight;

  //change the height of the iframe
  document.getElementById('the_iframe').height=
      the_height + 50;
}