function GCComputeSizing(GCObject)
{
	if (TestGCObject(GCObject))
	{
		var fBIDI=(document.documentElement.currentStyle.direction=="rtl");
		var lGCWindowWidth=document.documentElement.scrollWidth;
		//old var lGCWindowHeight=document.documentElement.scrollHeight;
		var lGCWindowHeight=(document.documentElement.scrollHeight>document.documentElement.clientHeight) ? document.documentElement.clientHeight : document.documentElement.scrollHeight;
		
		var lGCObjectOffsetLeft=0;
		var lGCObjectOffsetTop=0;
		if (fBIDI)
			{
			lGCObjectOffsetLeft=-180;
			lGCObjectOffsetTop=120;
			}
		else
			{
			lGCObjectOffsetLeft=32;
			lGCObjectOffsetTop=-2;
			}
		var lGCObjectWalker=GCObject.parentElement;
		while (lGCObjectWalker !=document.body)
		{
			lGCObjectOffsetLeft+=lGCObjectWalker.offsetLeft;
			lGCObjectOffsetTop+=lGCObjectWalker.offsetTop;
			lGCObjectWalker=lGCObjectWalker.offsetParent;
			if (fBIDI)
				if (lGCObjectWalker.offsetLeft > 0)
					break;
		}
		lGCObjectOffsetLeft+=GCObject.parentElement.offsetLeft;
		lGCObjectOffsetTop+=GCObject.parentElement.offsetTop;
		glGCObjectHeight=lGCWindowHeight - lGCObjectOffsetTop;
		if (glGCObjectHeight > lGCWindowHeight)
			glGCObjectHeight=lGCWindowHeight
		if (glGCObjectHeight < cGCMinimumHeight)
			glGCObjectHeight=cGCMinimumHeight;
		if (fBIDI)
			{
			glGCObjectWidth=lGCWindowWidth+lGCObjectOffsetLeft;
			}
		else
			glGCObjectWidth=lGCWindowWidth - lGCObjectOffsetLeft;
		if (glGCObjectWidth > lGCWindowWidth)
				glGCObjectWidth=lGCWindowWidth;
		if (glGCObjectWidth < cGCMinimumWidth)
			glGCObjectWidth=cGCMinimumWidth;
	}
}