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 clipIt(o, t, r, b, l) {
   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+")";
   }
}


function RollOver(i) {
	if (document.images) {
		document.images[i].src=ImgOver[i].src; }
	}
function RollOut(i) {
	if (document.images)  {
		document.images[i].src=ImgOut[i].src;  }
}