function changeFlag(flag,src)
{
	document.getElementById(flag).src = src;
}

/**
 * submit form formId if some text has been type into field fieldId
 */ 
function searchSubmit(formId, fieldId, startText)
{
	var text = document.getElementById(fieldId).value;
	if(text && text != startText) {
		document.getElementById(formId).submit();
	}	
}