function showSample (theUrl, theType, theWidth, theHeight) {
	
	if (theType == "image") {
		theUrl = "samples/?image="+theUrl
	} else theUrl = "samples/"+theUrl
	
	topCoord  = 20;
	leftCoord = 20;
	theWidth = theWidth + 40;
	theHeight = theHeight + 60 + 25; // extra 25px for credit
	showScrollbars = false;
	scrollbarSize = 20;
	menuHeight = 50;

	if (theWidth+leftCoord > screen.width) { 
		showScrollbars = true;
		theWidth = screen.width - (leftCoord * 2);
		theHeight = theHeight + scrollbarSize;
	}
	if (theHeight+topCoord+50 > screen.height) {
		showScrollbars = true;
		theHeight = screen.height - (leftCoord * 2) - menuHeight;
		if (theWidth < screen.width - (leftCoord * 2) && theWidth+scrollbarSize+leftCoord < screen.width) {
			theWidth = theWidth + scrollbarSize;
		}
	}
	if (window.imageWindow && !imageWindow.closed && imageWindow.open) {

		imageWindow.resizeTo(theWidth,theHeight);
		imageWindow.location = theUrl;
		imageWindow.focus();

	} else {
		
		if (showScrollbars) {
			
			imageWindow = window.open(theUrl,"tenseprint", "width="+theWidth+
			",height="+theHeight+",top="+topCoord+",left="+leftCoord+
			",menubar=no,toolbar=no,location=no,status=no,directories=no,resizeable,scrollbars");
			
		} else {
		
			imageWindow = window.open(theUrl,"tenseprint", "width="+theWidth+
			",height="+theHeight+",top="+topCoord+",left="+leftCoord+
			",menubar=no,toolbar=no,location=no,status=no,directories=no,resizeable=no,scrollbars=no");
				
		}
		imageWindow.resizeTo(theWidth,theHeight);
		imageWindow.focus();

	}

}

function showArrow(theTop,theLeft) {
	var theObject = document.getElementById("arrow");
	theObject.style.top = theTop + "px";
	theObject.style.left = theLeft + "px";
	theObject.style.display = "block";	
}

function hideArrow() {
	var theObject = document.getElementById("arrow");
	theObject.style.display = "none";			
}