/* The script in this file chooses which picture to display in 

*  in the upper left hand corner of the window.  

*

*  It achieves this task by using the levelA variable to deter-

*  mine which section we are in and then assigns a picture based

*  on the section.

*/



function getCornerPicture(section, rootDirectory)

{



	var picture = new Array();



	for (index=0; index <= 10; index++)

	{

		picture[index] = rootDirectory + "images/top_" + index + ".jpg";

	}

		

	document.write('<img alt="decorative montage" src="' + picture[section] + '" width=150  border=0>');

	

}





//  These three functions initialize for image rollovers





function newImage(arg)

{

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}



function changeImages() 

{



	if (document.images && (preloadFlag == true)) {

		for (var i=0; i<changeImages.arguments.length; i+=2) {

			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];

		}

	}

}



	

function preloadImages() {





	if (document.images) {

		B_y_1 = newImage(rootDirectory + "images/triblt_y.gif");

		B_w_1 = newImage(rootDirectory + "images/triblt_w.gif");

		B_dw_1 = newImage(rootDirectory + "images/triblt_dw.gif");

		B_dg_1 = newImage(rootDirectory + "images/triblt_dg.gif");

		preloadFlag = true;

	}



}





// This function fires when the page exits



function byebye() 

{





}





//  This function tells the caller if the current machine is a Macintosh



function isPPC()

{

	if(navigator.appVersion.indexOf("PPC") != -1) {

		return true;

	} else {

		return false;

	}

}