ClearFields = {
	activatedElements: {},
	
	clearOnce: function(elmt) {
		if(typeof this.activatedElements[elmt.name] == 'undefined') {
			this.activatedElements[elmt.name] = true;
			elmt.value = '';
			return true;
		}
	
		return false;
	},
	
	resetFields: function() {
		this.activatedElements = {};
	}
}