function ShowHideDetails(el, buttonEl, showText, hideText)
{
	if (el.style.display == "none"){
		el.style.display = "block";
		if (buttonEl)
			buttonEl.value = hideText;
	} else {
		el.style.display = "none";
		if (buttonEl)
			buttonEl.value = showText;
	}
	if(buttonEl){
		if (buttonEl.focus!=null){
			buttonEl.focus();
		}
	}
}