function getElement(id) {
		return (document.getElementById) ? document.getElementById(id): document.all[id];
	}
	
	function showobj (objID) {
		if(getElement(objID) != null) getElement(objID).style.display = "block";
	}

	function hideobj (objID) {
		if(getElement(objID) != null) getElement(objID).style.display = "none";
	}

	
	
	function clearInput(obj, initVal) {
		var val;
		val = obj.value;	
		if (val == obj.defaultValue)
			obj.value = "";
	}