var ie = document.all
var opera = window.opera;
var dom = document.getElementById
var ns4 = document.layers

/* hides <select> and <applet> objects (for IE only) */
function hideElement(elmID, overDiv) {
	if (ie) {
		for (i = 0; i < document.all.tags(elmID).length; i++) {
			obj = document.all.tags(elmID)[i];
			if (!obj || !obj.offsetParent) {
				continue;
			}

			// Find the element's offsetTop and offsetLeft relative to the BODY
			// tag.
			objLeft = obj.offsetLeft;
			objTop = obj.offsetTop;
			objParent = obj.offsetParent;

			while (objParent.tagName.toUpperCase() != "BODY") {
				objLeft += objParent.offsetLeft;
				objTop += objParent.offsetTop;
				objParent = objParent.offsetParent;
			}

			objHeight = obj.offsetHeight;
			objWidth = obj.offsetWidth;

			if ((overDiv.offsetLeft + overDiv.offsetWidth) <= objLeft)
				;
			else if ((overDiv.offsetTop + overDiv.offsetHeight) <= objTop)
				;
			else if (overDiv.offsetTop >= (objTop + objHeight))
				;
			else if (overDiv.offsetLeft >= (objLeft + objWidth))
				;
			else {
				obj.style.visibility = "hidden";
			}
		}
	}
}

/*
 * unhides <select> and <applet> objects (for IE only)
 */
function showElement(elmID) {
	if (ie) {
		for (i = 0; i < document.all.tags(elmID).length; i++) {
			obj = document.all.tags(elmID)[i];

			if (!obj || !obj.offsetParent) {
				continue;
			}

			obj.style.visibility = "";
		}
	}
}