// toggle visibility
function toggle(obj) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : 'block' );
	
}

// add a form elemt
function add_ele(obj) {
	var el = document.getElementById(obj);
	
	//alert(el);
	var ti=document.createElement('input');
	 el.appendChild(ti);

	ti.setAttribute("name", "location_vnu");
	ti.setAttribute("id", "location_vnu");
	ti.setAttribute("size", "32");
	ti.setAttribute("value", "");
	
	
	
	document.getElementById(el).appendChild(ti); 

	
}



function remove_ele(parobj,object) {

	//alert( parobj+" "+object);
	var el = document.getElementById(parobj);
	var targ = document.getElementById(object);
	el.removeChild(targ);
	//document.all.el.removeChild(targ) // IE only
}