/* Over On Out */
function menuOn(imgEl) {
	imgEl.src = imgEl.src.replace("_off.gif", "_on.gif");
}

function menuOut(imgEl) {
	imgEl.src = imgEl.src.replace("_on.gif", "_off.gif");
}

/* Tab Content */
function initTabMenu(tabContainerID) {
	var tabContainer = document.getElementById(tabContainerID);
	var tabAnchor = tabContainer.getElementsByTagName("a");
	var i = 0;

	for(i=0; i<tabAnchor.length; i++) {
		if (tabAnchor.item(i).className == "tab")
			thismenu = tabAnchor.item(i);
		else
			continue;

		thismenu.container = tabContainer;
		thismenu.targetEl = document.getElementById(tabAnchor.item(i).href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		thismenu.imgEl = thismenu.getElementsByTagName("img").item(0);
		thismenu.onclick = function tabMenuClick() {
			currentmenu = this.container.current;
			if (currentmenu == this)
				return;

			if (currentmenu) {
				currentmenu.targetEl.style.display = "none";
				if (currentmenu.imgEl) {
					currentmenu.imgEl.src = currentmenu.imgEl.src.replace("_on.gif", "_off.gif");
				} else {
					currentmenu.className = currentmenu.className.replace("on", "");
				}
			}

			this.targetEl.style.display = "block";
			if (this.imgEl) {
				this.imgEl.src = this.imgEl.src.replace("_off.gif", "_on.gif");
			} else {
				this.className += " on";
			}
			this.container.current = this;

			return false;
		};

		if (!thismenu.container.first)
			thismenu.container.first = thismenu;
	}
	if (tabContainer.first)
		tabContainer.first.onclick();
}
/* laydrld */
function layerShow(layerId) {
	document.getElementById(layerId).style.display = "block";
}
function layerHide(layerId) {
	document.getElementById(layerId).style.display = "none";
}

/*select*/
function ItemAdd(objname, textname, valuename) {
	var obj = document.getElementById(objname);
	obj.add(new Option(document.getElementById(textname).value,document.getElementById(valuename).value));
	obj.reInitializeSelectBox();
}

function ItemChange(obj)
{
	alert(obj.options[obj.selectedIndex].value);
}