function showhideHint(id)
{
	var el = document.getElementById(id); 
	var a_el = document.getElementById('a_'+id); 
	if (el.style.display == 'block') {
		el.style.display='none';
		a_el.innerHTML = 'hint';
	}else{
		el.style.display='block';
		a_el.innerHTML = 'hide';
	}
}


function setSelectValue(id,value)
{
	options=document.getElementById(id).options;
	for (var i=0; i<options.length; i++) {
		if (options[i].value == value) {
			options[i].selected = true;
			break;
		}
	}
}