var isNS=false;
var isIE=false;
if (document.layers) isNS=true;
if (document.all) isIE=true;

function getObject(id) {
	if (isNS) obj= "document." + id;
	if (isIE) obj= id + ".style";
	var object=eval(obj);
	return object;
}

function placeIt(id,x,y){
	var object=getObject(id);
	if (isNS) {
		object.moveTo(x,y);
	}
	else if (isIE) {
		object.pixelLeft=x;
		object.pixelTop=y;
	}
}

function shiftIt(id, dx, dy) {
	var object=getObject(id);
	if (isNS) {
		object.moveBy(dx,dy);
	}
	else if (isIE) {
		object.pixelLeft=object.pixelLeft+dx;
		object.pixelTop=object.pixelTop+dy;
	}
}

function xCoord(id){
	var object=getObject(id);
	if (isNS) xc=object.left;
	if (isIE) xc=object.pixelLeft;
	return xc;
}

function yCoord(id){
	var object=getObject(id);
	if (isNS) yc=object.top;
	if (isIE) yc=object.pixelTop;
	return yc;
}

function hideIt(id){
	var object=getObject(id);
	if (isNS) object.visibility="hide";
	if (isIE) object.visibility="hidden";
}
function showIt(id){
	var object=getObject(id);
	if (isNS) object.visibility="show";
	if (isIE) object.visibility="visible";
}
function placeObjectsNOTUSED() {
		if (isNS) {
			W=(window.innerWidth-620)/2;
			H=(window.innerHeight-300)/2;
		}
		if (isIE) {
			W=(document.body.clientWidth-620)/2;
			H=(document.body.clientHeight-300)/2;
		}
}

function clipIt(o,t,r,b,l){
//alert("where");
	var object=getObject(o);
	if (isNS){
		object.clip.top=t;
		object.clip.right=r;
		object.clip.bottom=b;
		object.clip.left=l;
	}
	if (isIE){
		object.clip="rect("+t+" "+r+" "+b+" "+l+")";
	}
}