function select_all(form_name,ob){
	var form_c = document.getElementById(form_name);
	var checkbox_coll = form_c.getElementsByTagName("input");
	if(ob.checked == "true"){
		
		var status = '';
	}else{
		var status = 'true';
	}
	for (i = 0; i < checkbox_coll.length; i++){
			checkbox_coll[i].checked = status;
	}
	
}
function de_select_all(form_name){
	var form_c = document.getElementById(form_name);
	var checkbox_coll = form_c.getElementsByTagName("input");
	for (i = 1; i < checkbox_coll.length; i++){
			checkbox_coll[i].checked = '';
	}
	
}
function add_recipients(form_name){
	var form_c = document.getElementById(form_name);
	var checkbox_coll = form_c.getElementsByTagName("input");
	var str_id = new String;
	var str_name = new String;
	for (i = 1; i < checkbox_coll.length; i++){
		if(checkbox_coll[i].checked == true){
			str_id += checkbox_coll[i].name+';';	
			str_name += checkbox_coll[i].value+';';	
		}
	}
	//alert(str_name);
	document.getElementById('add_recipients').value = str_id;
	document.getElementById('recipients_name').innerHTML = str_name;
	document.getElementById('recipients_name_hidden').innerHTML = str_name;
	document.getElementById('contact_div').style.display = 'none';
	return true;
}