var searchAjax;
var offsetX, offsetY;
if (ie) {
	offsetX = -154;
	offsetY = 15;
} else {
	offsetX = -169;
	offsetY = 3;
}


function displaySPB (boxName, obj) {
	var offsetDvPage = findPosX($("dvPage"));
	var box = $("dvAvail"+boxName);
	if (box.style.display == "none") {
		box.style.top  = ( findPosY(obj) + offsetY ) + "px";
		box.style.left = ( findPosX(obj) + offsetX - offsetDvPage ) + "px";
		searchAjax = new Ajax.Updater(
			box.id,
			"/html/ajaxDummy/"+boxName+".txt", // dzt: namenskonvention
			{method:"get"}
		)
		obj.firstChild.src = btnArrowUp.src;
		box.style.display = "block";
	} else {
		obj.firstChild.src = btnArrowDown.src;
		box.style.display = "none";
	}
}









function clearField(obj, defaultValue) {
	if (obj.value == defaultValue)
		obj.value = "";
}

function setField(obj, defaultValue) {
	if (!obj.value)
		obj.value = defaultValue;
}