function showHideValue(myTextbox, myText, showHide) {
	if (showHide == 'hide') {
		if (myTextbox.value == myText) {
			myTextbox.value = "";
		}
	} else {
		if (myTextbox.value == myText || myTextbox.value == "") {
			myTextbox.value = myText;
		}
	}
}