window.onload = function() {
     	initForm();  
     } 
	
	function initForm()
	{
		var downloadForm = document.getElementById("addnewslettertab");
		downloadForm.onsubmit = checkForm;

		var downloadForm2 = document.getElementById("delnewslettertab");
		downloadForm2.onsubmit = checkForm;
		
	}

	function refreshSecCode(){
		var arg=Math.random();
		document.getElementById('secimgAdd').src = '/common/fragments/securimage_show.php?sid=' + arg;
		document.getElementById('secimgDel').src = '/common/fragments/securimage_show.php?sid=' + arg;  
		return false
	}