//All scripts copyright 2001 JuxtaMedia;

		var remote=null;
   		bName = navigator.appName;
   		bVer = parseInt(navigator.appVersion);
   		pics = new Array();
   		var objCount = 0;
   		
   		//browser check. see index
   		ver = "x5"
   		if	(bName == "Netscape" && bVer >= 3) ver = "n3";
   			else if (bName == "Netscape" && bVer == 2) ver = "n2";
   				else if (bName == "Microsoft Internet Explorer" && bVer >= 4) ver = "e4";
   					else if (bName == "Microsoft Internet Explorer" && bVer == 3) ver = "e3";
   					else  ver = "x5";

   		//rollover scripts variables
   		
   		
   				
   		function nothing()
   			{ return; } 
   		
   		// creates an array of image information for graphics swapping. note that the array has 8 elements
   		function preload(name, first, second) {
   		 if (ver == "n3" || ver == "e4") {
   		 	pics[objCount] = new Array(3);
   		 	pics[objCount][0] = new Image();
   		 	pics[objCount][0].src = first;
   		 	pics[objCount][1] = new Image();
   		 	pics[objCount][1].src = second;
   		 	pics[objCount][2] = name;
   		 	objCount++;}
   		 }
	
   		//Do the actual preload of specified files. Also sets and references graphic names.
   		//graphic name, regular state, rolled state, light to refer to cookie, light off state, light on state, cookie that is refered to, selected graphic(this is not always used based on when scripts are called.)
   		if (ver == "n3" || ver == "e4")
   			{
   			// header
   			preload("link_0", "support/b1u.gif", "support/b1u_over.gif");
   			
   			
   			preload("slink_0", "support/sb01u.gif", "support/sb01u_over.gif");
   			preload("slink_1", "support/sb02u.gif", "support/sb02u_over.gif");
   			preload("slink_2", "support/register.gif", "support/register_over.gif");
   			
   			}
   		
   		//rollover script. checks the array and puts the appriate graphics in.
		function on(name)
		{
			if (ver == "n3" || ver == "e4")
			{
			for (i = 0; i< objCount; i++) {
				if (document.images[pics[i][2]] != null)
					if (name != pics[i][2]) {
						document.images[pics[i][2]].src = pics[i][0].src;
					} else {
						document.images[pics[i][2]].src = pics[i][1].src;
					}
				}
			}
		}
		
		//sets the graphics back to normal state when rolled off.
		function off(what)
		{
			if (ver == "n3" || ver == "e4") {
				for (i = 0; i< objCount; i++) {
					if (document.images[pics[i][2]] != null) {
						document.images[pics[i][2]].src = pics[i][0].src;
					}
				}
			}
		}
		
		
// The Central Randomizer 1.3 (C) 1997 by Paul Houle (houle@msc.cornell.edu)
// See:  http://www.msc.cornell.edu/~houle/javascript/randomizer.html
	   
	   rnd.today=new Date();
	   rnd.seed=rnd.today.getTime();
	   
	   function rnd() {
	   rnd.seed = (rnd.seed*9301+49297) % 233280;
	   return rnd.seed/(233280.0);
	   };
	   
	   function rand(number) {
	   return Math.ceil(rnd()*number);
	   };
	   

function openLectureWindow(theURL) { //v2.0
  window.open(theURL,'lecture','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=850,height=580');
}

function openLectureWindowsm(theURL) { //v2.0
  window.open(theURL,'audio_lecture','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=320,height=200');
}


function opentutorialWindow(theURL) { //v2.0
  window.open(theURL,'tutorial','toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=600');
}


function CloseWindow(theURL) { //v2.0
  self.close();
}