// JavaScript Document
function ChangeImage(sIMGTagID, sIMGSrcDown)
{
	//
	// PURPOSE
	// Change IMG tag's image to some other image.
	// 
	// PARAMETERS
	// sIMGTagID
	// String representing the image tag's ID attribute for which this
	// effect is linked.
	//
	// sIMGSrcDown
	// String representing the relative URL to the image to set for the IMG
	// element.
	//
	// RETURNS
	// void
	//
	var oObj;
	
	oObj = document.getElementById(sIMGTagID);
	
	if(oObj != null && sIMGTagID != null && sIMGSrcDown != null)
	  oObj.src = sIMGSrcDown;
	else if (oObj == null)
	  alert("ChangeImage Javascript Error: No HTML element with the id attribute of \"" + sIMGTagID + "\" could be found.");
	else if (sIMGTagID == null)
	  alert("Parameter sIMGTagID not passed.");
	else if (sIMGSrcDown == null)
	  alert("Parameter sIMGSrcDown not passed.");
}

function linkTourPage_onclick()
{
	//
	// PURPOSE
	// This alerts the user when "target="_blank" is used
	// That a popup-stopper may prevent the page from opening.
	//
	// Returns
	// True
	//
	alert("If this screen does not open, it may be necessary to disable your pop-up stopper for this site.");
  return true;
}


  //
  // Returns a random saying to the text page with each renewal of the screen.
function text() { 
}; 
text = new text(); 
number = 0; 
// textArray 
	text[number++] = "Education should be the process of helping everyone to discover his uniqueness, to teach him how to develop that uniqueness, and then to show him how to share it. -- Leo Buscaglia" 
	text[number++] = "Learning is not attained by chance. It must be sought for with ardor and attended to with diligence. -- Abigail Adams" 
	text[number++] = "All who have meditated on the art of governing mankind have been convinced that the fate of empires depends on the education of youth.  -- Aristotle" 
	text[number++] = "Education must provide the opportunities for self-fulfilment; it can at best provide a rich and challenging environment for the individual to explore, in his own way. -- Noam Chomsky" 
	text[number++] = "I am always ready to learn, although I do not always like being taught.  -- Sir Winston Churchill"
	text[number++] = "Curiosity is the very basis of education and if you tell me that curiosity killed the cat, I say only the cat died nobly. -- Arnold Edinborough"
	text[number++] = "Never regard study as a duty, but as the enviable opportunity to learn to know the liberating influence of beauty in the realm of the spirit for your own personal joy and to the profit of the community to which your later work belongs. -- Albert Einstein"
	text[number++] = "The secret of education is respecting the pupil.  -- Ralph Waldo Emerson"
  // add more lines in the manner above above if more are needed
increment = Math.floor(Math.random() * number);